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
Gnecco E. Nanotechnology: A gentle jackhammer. Nature 2009;461:178–9.
A journal article with 2 authors
Jacob Z, Shalaev VM. Physics. Plasmonics goes quantum. Science 2011;334:463–4.
A journal article with 3 authors
Garcia P, Armstrong R, Zaman MH. Models of education in medicine, public health, and engineering. Science 2014;345:1281–3.
A journal article with 7 or more authors
Körtzinger A, Schimanski J, Send U, Wallace D. The ocean takes a deep breath. Science 2004;306:1337.

Books and book chapters

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

An authored book
Cofnas A. Trading Binary Options. Hoboken, NJ: John Wiley & Sons, Inc.; 2011.
An edited book
Goldberg M, editor. The Dental Pulp: Biology, Pathology, and Regenerative Therapies. Berlin, Heidelberg: Springer; 2014.
A chapter in an edited book
Sellami M, Talbi M. Quality Management in Information Systems for Combating Desertification and Dry Lands Management. In: Marini A, Talbi M, editors. Desertification and Risk Analysis Using High and Medium Resolution Satellite Data: Training Workshop on Mapping Desertification Dordrecht: Springer Netherlands; 2009. page 47–57.

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
Andrew E. Folding Graphene Like Origami May Allow Us To Wear Sensors In Our Skin [Internet]. IFLScience IFLScience; 2015 [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. Information Technology: Health Care Financing Administration’s Budget Process Needs Improvement. Washington, DC: U.S. Government Printing Office; 1989. Report No.: IMTEC-89-31. .

Theses and dissertations

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

Doctoral dissertation
Zimmerman TF. A descriptive review of the development and implementation of a funding model for the Kentucky Community and Technical College System: The first 10 years, 1998–2008 [Doctoral dissertation]. [Mississippi State, MS]: Mississippi State University; 2010.

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
Chira S. Cosby Case Raises Issue Of Legal Bias. New York Times 2017 Jun 20;C1.

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