APA Style

Campbell, John R., Lasley, John F.. (1985). The science of animals that serve humanity (Rev.ed.). New York: McGraw-Hill.

Chicago Style

Campbell, John R., Lasley, John F.. The science of animals that serve humanity. Rev.ed. New York: McGraw-Hill, 1985. Text.

MLA Style

Campbell, John R., Lasley, John F.. The science of animals that serve humanity. Rev.ed. New York: McGraw-Hill, 1985. Text.

Turabian Style

Campbell, John R., Lasley, John F.. The science of animals that serve humanity. Rev.ed. New York: McGraw-Hill, 1985. Print.