SpringerLink (Online service), Callaway, T. R., & Ricke, S. C. (2012). Direct-Fed Microbials and Prebiotics for Animals: Science and Mechanisms of Action. Springer New York.
Chicago Style (17th ed.) CitationSpringerLink (Online service), Todd R. Callaway, and Steven C. Ricke. Direct-Fed Microbials and Prebiotics for Animals: Science and Mechanisms of Action. New York, NY: Springer New York, 2012.
MLA (8th ed.) CitationSpringerLink (Online service), et al. Direct-Fed Microbials and Prebiotics for Animals: Science and Mechanisms of Action. Springer New York, 2012.
Warning: These citations may not always be 100% accurate.