APA (7th ed.) Citation

Ho, Chute, & Richards. (1978). Drug discrimination and state dependent learning. Academic Press.

Chicago Style (17th ed.) Citation

Ho, Chute, and Richards. Drug Discrimination and State Dependent Learning. New York: Academic Press, 1978.

MLA (8th ed.) Citation

Ho, et al. Drug Discrimination and State Dependent Learning. Academic Press, 1978.