How to format your references using the Hydrogeology Journal citation style

This is a short guide how to format citations and the bibliography in a manuscript for Hydrogeology Journal. 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:

Paperpile	The citation style is built in and you can choose it in Settings > Citation Style or Paperpile > Citation Style in Google Docs.
EndNote	Download the output style file
Mendeley, Zotero, Papers, and others	The style is either built in or you can download a CSL file that is supported by most references management programs.
BibTeX	BibTeX 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

Hoag H (2007) Northern exposure for EMBL. Nature 447:504

A journal article with 2 authors

Seelig JD, Jayaraman V (2015) Neural dynamics for landmark orientation and angular path integration. Nature 521:186–191

A journal article with 3 authors

Cao A, Romanowicz B, Takeuchi N (2005) An observation of PKJKP: inferences on inner core shear properties. Science 308:1453–1455

A journal article with 5 or more authors

Hattori D, Chen Y, Matthews BJ, et al (2009) Robust discrimination between self and non-self neurites requires thousands of Dscam1 isoforms. Nature 461:644–648

Books and book chapters

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

An authored book

Hoy J (2015) Forensic Radio Survey Techniques for Cell Site Analysis. John Wiley & Sons, Ltd, Chichester, UK

An edited book

Plessis JJ du (2007) German Corporate Governance in International and European Context. Springer, Berlin, Heidelberg

A chapter in an edited book

Rezgui A, Jullien N (2016) Online Communities, Teams Characteristics, and Knowledge Quality. In: Afsarmanesh H, Camarinha-Matos LM, Lucas Soares A (eds) Collaboration in a Hyperconnected World: 17th IFIP WG 5.5 Working Conference on Virtual Enterprises, PRO-VE 2016, Porto, Portugal, October 3-5, 2016, Proceedings. Springer International Publishing, Cham, pp 35–47

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 Hydrogeology Journal.

Blog post

Carpineti A (2017) A Secret Air Force Shuttle Might Be Landing In Florida Soon. In: IFLScience. Accessed 30 Oct 2018

Reports

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 (1999) Year 2000 Computing Crisis: Readiness Status of the Department of Health and Human Services. U.S. Government Printing Office, Washington, DC

Theses and dissertations

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

Doctoral dissertation

Gao S (2009) Characterization of the TAT cell penetrating peptide and directed evolution of new cell penetrating peptides for protein and nucleotide delivery to neuronal -like cells. Doctoral dissertation, Columbia University

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

Yablonsky L (2011) Imps of the Perverse. New York Times M250

In-text citations

References should be cited in the text by name and year in parentheses:

This sentence cites one reference (Hoag 2007).
This sentence cites two references (Hoag 2007; Seelig and Jayaraman 2015).

Here are examples of in-text citations with multiple authors:

Two authors: (Seelig and Jayaraman 2015)
Three or more authors: (Hattori et al. 2009)

About the journal

Full journal title	Hydrogeology Journal
Abbreviation	Hydrogeol. J.
ISSN (print)	1431-2174
ISSN (online)	1435-0157
Scope	Earth and Planetary Sciences (miscellaneous) Water Science and Technology