Your engineering faculty asks for “IEEE style”, your reference manager has a style called IEEE, and yet your supervisor still circles half your references. What does the IEEE Reference Guide actually require? IEEE referencing is a numbered system: each source gets a number in square brackets in the order it is first cited, and the reference list is ordered by those numbers. The details that examiners check (author initials, abbreviated journal titles, “vol.”, “no.” and “pp.”) are where most theses lose consistency.
This article is part of our guide How to Write a Master’s Thesis by the Mastermind PhD team and relates to our Thesis & Research Formatting service. Sources last checked: November 2026.
This guide covers the core rules, templates for the source types engineering theses use most, and how to keep the numbering stable across a long document.
What is IEEE referencing? IEEE referencing is the citation format published by the Institute of Electrical and Electronics Engineers in its IEEE Reference Guide for authors. Sources are cited in the text by numbers in square brackets, such as [1], numbered in order of first appearance, and listed in numerical order with author initials before surnames, article titles in quotation marks and abbreviated, italicized journal or proceedings titles.
What are the 8 core rules of IEEE referencing?
- Square brackets in the text. Cite with [1], placed inside the sentence punctuation: “as shown in [1].”
- Number by first citation. The first source cited is [1], the next new source is [2], and so on.
- One number per source. A source cited again keeps its first number.
- Initials first. Write “A. B. Author”, not “Author, A. B.”
- Six-author threshold. List all authors up to six; for more than six, give the first author followed by “et al.”
- Titles in quotation marks. Article and chapter titles take quotation marks and sentence case; journal, book and proceedings titles are italicized.
- Abbreviate journal and conference names. IEEE Transactions on Power Systems becomes IEEE Trans. Power Syst. using the IEEE abbreviation lists.
- Labels for numbers. Use “vol.”, “no.”, “pp.” and abbreviated months such as “Jul.”, and add the DOI at the end when there is one.
How do you cite in the text with IEEE referencing?
The bracketed number can stand in for the source or sit after an author’s name:
- “Recent work [4] reduced latency by caching at the edge.”
- “As He et al. [7] showed, residual connections ease the training of deep networks.”
- “Several studies [2], [5], [9] used the same benchmark.”
For consecutive sources, older versions of the guide allowed ranges such as [3]-[6]; recent university guides based on the 2025 IEEE Reference Guide list each number in its own brackets. Check which version your department follows and apply it consistently. Avoid “in reference [4]” or “[4] shows”; treat the number like a name only when the sentence reads naturally.
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What do IEEE references look like? Templates and examples
| Source type | Template | Example |
|---|---|---|
| Journal article | A. Author, “Title of article,” Abbrev. Title of Journal, vol. x, no. x, pp. xxx-xxx, Abbrev. Month Year, doi: xxx. | C. E. Shannon, “A mathematical theory of communication,” Bell Syst. Tech. J., vol. 27, no. 3, pp. 379-423, Jul. 1948. |
| Conference paper | A. Author, “Title of paper,” in Abbrev. Name of Conf., City, Country, Year, pp. xxx-xxx. | K. He, X. Zhang, S. Ren, and J. Sun, “Deep residual learning for image recognition,” in Proc. IEEE Conf. Comput. Vis. Pattern Recognit. (CVPR), Las Vegas, NV, USA, 2016, pp. 770-778. |
| Book | A. Author, Title of Book, xth ed. City, Country: Publisher, Year. | Follow the template; include the edition only from the second edition onward. |
| Standard | Title of Standard, Standard number, Year. | IEEE Standard for Floating-Point Arithmetic, IEEE Std 754-2019, 2019. |
| Website | Author or organization, “Page title.” Website name. Accessed: Mon. Day, Year. [Online]. Available: URL | Use the organization when no author is named. |
| Thesis | A. Author, “Title of thesis,” M.S. thesis, Dept., Univ., City, Country, Year. | Use “Ph.D. dissertation” for doctoral work. |
Note the conjunction “and” before the last author, and the comma before it when there are three or more.
Which sources are typical in engineering theses, and how should they be handled?
Engineering theses cite source types that other styles barely cover. IEEE referencing has formats for each:
- Standards (IEEE, ISO, IEC): cite the exact standard number and year; standards are revised, and examiners check that you used the current one or explain why not.
- Datasheets and technical reports: give the company or institution as author, the document number and the date.
- Software and code repositories: cite the version you used and the access date; a URL alone is not enough.
- Patents: give the inventor, title, country, patent number and date.
- Preprints: identify them as preprints (for example arXiv with its identifier) and check whether a peer-reviewed version has since appeared.
How do you keep IEEE referencing consistent across a thesis?
- Use a reference manager or BibTeX. Zotero, EndNote and Mendeley ship IEEE styles. In LaTeX, the IEEEtran BibTeX style is widely used. Check the output against the guide for each source type at least once.
- Clean the database, not the output. Fix capitalization and missing volume or page data in the library, so every regenerated list is correct.
- Watch for duplicates. The same paper imported from two databases gets two numbers. Search the list for repeated titles before submission.
- Check figure and table sources. A figure reproduced or adapted from a paper needs the citation in its caption, for example “Adapted from [12].” That number belongs to the sequence at the point where the figure is first mentioned in the text, not where the figure happens to float on the page.
- Read the list once from top to bottom. Confirm that numbers run from [1] without gaps, that each appears in the text, and that the format of each source type matches the templates. Ten minutes here prevents the most visible corrections.
- Ask about chapter numbering. Most engineering theses use one list for the whole document; some programs want a list per chapter.
What are the most common IEEE referencing errors?
| Error | Correct practice |
|---|---|
| Surname first: “Shannon, C. E.” | Initials first: “C. E. Shannon” |
| Full journal titles mixed with abbreviations | Abbreviate all journal and proceedings titles |
| Article title in italics, journal in plain text | Article in quotation marks, journal italicized |
| List ordered alphabetically | Order by number of first citation |
| “et al.” used for three authors | List up to six; “et al.” only beyond six |
| Missing “vol.”, “no.”, “pp.” | Include the labels as in the templates |
A final formatting pass catches most of these. The Mastermind PhD team’s thesis formatting starts from EGP 10,500 on the live service page, and every file comes with a Turnitin report.
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Frequently asked questions
Is IEEE referencing the same as Vancouver?
No. Both are numbered, but IEEE uses square brackets, puts initials before surnames, places article titles in quotation marks and uses “vol.”, “no.” and “pp.”; Vancouver puts surnames first and uses minimal punctuation.
Where do I find official journal abbreviations?
IEEE publishes abbreviation lists for its own titles in the Reference Guide, and many engineering libraries link to abbreviation databases for other journals. Use one source consistently.
Do I include the DOI?
Yes, when a DOI exists. The IEEE Reference Guide places it at the end of the reference.
Can I use “ibid.” in IEEE referencing?
No. Cite the same number again; IEEE does not use “ibid.” or “op. cit.”
Should references be numbered per chapter?
Only if your program requires it. A single numbered list for the whole thesis is the default in most engineering faculties.
Sources
- IEEE Publication Operations. IEEE Reference Guide (V 11.29.2023). IEEE Author Center. https://journals.ieeeauthorcenter.ieee.org/wp-content/uploads/sites/7/IEEE_Reference_Guide.pdf (accessed November 2026)
- Macquarie University Library. IEEE referencing (based on the IEEE Reference Guide 2025). https://libguides.mq.edu.au/IEEE_referencing (accessed November 2026)
- Shannon, C. E. (1948). A mathematical theory of communication. Bell System Technical Journal, 27(3), 379-423.
- IEEE. (2019). IEEE Standard for Floating-Point Arithmetic (IEEE Std 754-2019).
Sources last checked: November 2026. This article is general educational guidance and does not replace your university regulations or your supervisor’s instructions. How we prepare our content.