How to format your references using the Obstetrics & Gynecology Science citation style

This is a short guide how to format citations and the bibliography in a manuscript for Obstetrics & Gynecology Science. For a complete guide how to prepare your manuscript refer to the journal's instructions to authors.

Using reference management software

Typically you don't format your citations and bibliography by hand. The easiest way is to use a reference manager:

PaperpileThe citation style is built in and you can choose it in Settings > Citation Style or Paperpile > Citation Style in Google Docs.
EndNoteFind the style here: output styles overview
Mendeley, Zotero, Papers, and othersThe style is either built in or you can download a CSL file that is supported by most references management programs.
BibTeXBibTeX syles are usually part of a LaTeX template. Check the instructions to authors if the publisher offers a LaTeX template for this journal.

Journal articles

Those examples are references to articles in scholarly journals and how they are supposed to appear in your bibliography.

Not all journals organize their published articles in volumes and issues, so these fields are optional. Some electronic journals do not provide a page range, but instead list an article identifier. In a case like this it's safe to use the article identifier instead of the page range.

A journal article with 1 author
King DA. The scientific impact of nations. Nature 2004;430:311–6.
A journal article with 2 authors
Kleppner D, Jackiw R. One hundred years of quantum physics. Science 2000;289:893–8.
A journal article with 3 authors
Merilä J, Kruuk LE, Sheldon BC. Cryptic evolution in a wild bird population. Nature 2001;412:76–9.
A journal article with 7 or more authors
Burt RK, Abinun M, Farge-Bancel D, Fassas A, Hiepe F, Havrdová E, et al. Risks of immune system treatments. Science 2010;328:825–6.

Books and book chapters

Here are examples of references for authored and edited books as well as book chapters.

An authored book
Fleming P, Lee R. Orthodontic Functional Appliances. Chichester, UK: John Wiley & Sons, Ltd; 2016.
An edited book
Islam SMN. Empirical Finance: Modelling and Analysis of Emerging Financial and Stock Markets. Watanapalachaikul S, editor. Heidelberg: Physica-Verlag HD; 2005.
A chapter in an edited book
Lee Y, Kang W, Lee Y. A Hadoop-Based Packet Trace Processing Tool. In: Domingo-Pascual J, Shavitt Y, Uhlig S, editors. Traffic Monitoring and Analysis: Third International Workshop, TMA 2011, Vienna, Austria, April 27, 2011 Proceedings Berlin, Heidelberg: Springer; 2011. page 51–63.

Web sites

Sometimes references to web sites should appear directly in the text rather than in the bibliography. Refer to the Instructions to authors for Obstetrics & Gynecology Science.

Blog post
Luntz S. Ant-Nest Beetles Reveal Evolution In Action [Internet]. IFLScience IFLScience; 2014 [cited 2018 Oct 30]. Available from:


This example shows the general structure used for government reports, technical reports, and scientific reports. If you can't locate the report number then it might be better to cite the report as a book. For reports it is usually not individual people that are credited as authors, but a governmental department or agency like "U. S. Food and Drug Administration" or "National Cancer Institute".

Government report
Government Accountability Office. Highway Safety: Further Opportunities Exist to Improve Data on Crashes Involving Commercial Motor Vehicles. Washington, DC: U.S. Government Printing Office; 2005. Report No.: GAO-06-102. .

Theses and dissertations

Theses including Ph.D. dissertations, Master's theses or Bachelor theses follow the basic format outlined below.

Doctoral dissertation
Graber ME. Best practices in enhancement deals: Nonprofit and for profit theatrical collaborations [Doctoral dissertation]. [Long Beach, CA]: California State University, Long Beach; 2013.

News paper articles

Unlike scholarly journals, news papers do not usually have a volume and issue number. Instead, the full date and page number is required for a correct reference.

New York Times article
Gustines GG. A Comic Book in the Company of Masterpieces. New York Times 2015 Dec 4;C32.

In-text citations

References should be cited in the text by sequential numbers in square brackets:

This sentence cites one reference [1].
This sentence cites two references [1,2].
This sentence cites four references [1–4].

About the journal

Full journal titleObstetrics & Gynecology Science
ISSN (print)2287-8572
ISSN (online)2287-8580

Other styles