ScienceDirect (Online service), Washabau, R. J., & Day, M. J. (2013). Canine & feline gastroenterology. Elsevier Saunders.
Chicago Style (17th ed.) CitationScienceDirect (Online service), Robert J. Washabau, and Michael J. Day. Canine & Feline Gastroenterology. St. Louis, Mo.: Elsevier Saunders, 2013.
MLA (9th ed.) CitationScienceDirect (Online service), et al. Canine & Feline Gastroenterology. Elsevier Saunders, 2013.
Warning: These citations may not always be 100% accurate.