APA
Tyler H., Ensminger M. E., . (2006). Dairy cattle science. Upper Saddle River, NJ: Pearson/Prentice Hall.
Chicago
Tyler Howard, Ensminger M Eugene, . 2006. Dairy cattle science. Upper Saddle River, NJ: Pearson/Prentice Hall.
Harvard
Tyler H., Ensminger M. E., . (2006). Dairy cattle science. Upper Saddle River, NJ: Pearson/Prentice Hall.
MLA
Tyler Howard, Ensminger M Eugene, . Dairy cattle science. Upper Saddle River, NJ: Pearson/Prentice Hall. 2006.