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Citing Your Sources

Use these resources to aid in your citation writing process.

JAS Style Citation Examples


When the author's name appears in the sentence, it does not need to be repeated in the citation.


(Smith and Jones, 1982; Jones, 1988a,b; Jones et al., 1992, 1993).

Smith and Jones (1992) or Smith and Jones (1990, 1992). 

More than two authors

(Jones et al., 1992)

Journal Articles

Journal names shall be abbreviated according to the conventional ISO abbreviations used by PubMed

Last name, Initials, Initials Last name, Initials Last name. Year. Article title, sentence style capitalization. Abbreviated journal title volume(issue, if available):pages. DOI for article published after 2005. 


Perez, V. G., A. M. Waguespark, T. D. Bidner, L. L. Southern, T. M. Fakler, T. L. Ward, M. Steidinger, and J. E. Pettigrew. 2011. Additivity of effects from dietary copper and zinc on growth performance and fecal microbiotia of pigs after weaning. J. Anim. Sci. 89:414–425. doi:10.2527/ jas.2010-2839


Books and articles within edited books

Author. Year. Title, sentence level capitalization. Edition, if available. Publisher's name, publisher's location. 


AOAC. 1990. Official methods of analysis. 15th ed. Assoc. Off. Anal. Chem., Arlington, VA.

Chapter in edited book

Last name, Initials, Initials Last name, and Initials Last name.  Year. Chapter title, sentence style capitalization. In: editor. Book title, sentence style capitalization. Publisher's name, Publisher's location. pages. 


Robinson, P. H., E. K. Okine, and J. J. Kennelly. 1992. Measurement of protein digestion in ruminants. In: S. Nissen, editor, Modern methods in protein nutrition and metabolism. Academic Press, San Diego, CA. p. 121–127.

Theses or Dissertations

Last name, Initials. Year. Title, sentence style capitalization. Thesis type. Academic institution, Location. 


Ward, J.D. 1995. Effects of copper deficiency on performance and immune function of cattle. PhD Diss. North Caroline State Univ., Raleigh. 

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