The style is either built in or you can download a CSL file that is supported by most references management programs.
BibTeX syles are usually part of a LaTeX template. Check the instructions to authors if the publisher offers a LaTeX template for this journal.
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
Cuervo, A.M. Cell biology. Autophagy’s top chef. Science2011, 332, 1392–1393.
A journal article with 2 authors
Smith, M.P.; Harper, D.A.T. Earth science. Causes of the Cambrian explosion. Science2013, 341, 1355–1356.
A journal article with 3 authors
Cheng, Y.-N.; Wu, X.-C.; Ji, Q. Triassic marine reptiles gave birth to live young. Nature2004, 432, 383–386.
A journal article with 4 or more authors
Stuart, S.N.; Chanson, J.S.; Cox, N.A.; Young, B.E.; Rodrigues, A.S.L.; Fischman, D.L.; Waller, R.W. Status and trends of amphibian declines and extinctions worldwide. Science2004, 306, 1783–1786.
Books and book chapters
Here are examples of references for authored and edited books as well as book chapters.
An authored book
Wilson, D. Visual Guide to Financial Markets; John Wiley & Sons, Inc.: Hoboken, NJ, 2012; ISBN 9781118531815.
An edited book
Supercomputing: 29th International Conference, ISC 2014, Leipzig, Germany, June 22-26, 2014. Proceedings; Kunkel, J.M., Ludwig, T., Meuer, H.W., Eds.; Lecture Notes in Computer Science; Springer International Publishing: Cham, 2014; Vol. 8488; ISBN 9783319075174.
A chapter in an edited book
Jensen, R.R.; Hardin, P.J. Using Satellite Data to Estimate Urban Leaf Area Index. In Geo-Spatial Technologies in Urban Environments: Policy, Practice, and Pixels; Jensen, R.R., Gatrell, J.D., McLean, D., Eds.; Springer: Berlin, Heidelberg, 2007; pp. 93–107 ISBN 9783540694168.
Sometimes references to web sites should appear directly in the text rather than in the bibliography. Refer to the Instructions to authors for Marine Drugs.
Hamilton, K. Why Getting Babies Into Strict Routines Isn’t All It’s Cracked Up To Be (accessed on Oct 30, 2018).
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 Accountability Office Aviation Safety: Weaknesses in Inspection and Enforcement Limit FAA in Identifying and Responding to Risks; U.S. Government Printing Office: Washington, DC, 1998;
Theses and dissertations
Theses including Ph.D. dissertations, Master's theses or Bachelor theses follow the basic format outlined below.
Branch, J. A Case Study of Perceptions and Experiences among African-American Males Regarding College Dropout Rates in a Community College. Doctoral dissertation, Northcentral University: Scottsdale, AZ, 2017.
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
Ortved, J. Stylish Like a Fox, And Back in the City. New York Times 2017, D3.
References should be cited in the text by sequential numbers in square brackets:
This sentence cites one reference . This sentence cites two references [1,2]. This sentence cites four references [1–4].