APA

Drickamer L. C., Vessey S. H. & Jakob E. M. (2002). Animal behavior. New York: McGraw-Hill Companies.

Chicago

Drickamer Lee C, Vessey Stephen H and Jakob Elizabeth M. 2002. Animal behavior. New York: McGraw-Hill Companies.

Harvard

Drickamer L. C., Vessey S. H. and Jakob E. M. (2002). Animal behavior. New York: McGraw-Hill Companies.

MLA

Drickamer Lee C, Vessey Stephen H and Jakob Elizabeth M. Animal behavior. New York: McGraw-Hill Companies. 2002.