APA (7th ed.) Citation

Campbell, J. R., & Lasley, J. F. (1985). The science of animals that serve humanity (3rd ed.). McGraw-Hill.

Chicago Style (17th ed.) Citation

Campbell, John R., and John Foster Lasley. The Science of Animals That Serve Humanity. 3rd ed. New York: McGraw-Hill, 1985.

MLA (9th ed.) Citation

Campbell, John R., and John Foster Lasley. The Science of Animals That Serve Humanity. 3rd ed. McGraw-Hill, 1985.