APA (7th ed.) Citation

Hoffer, A., & Osmond, H. (1967). The hallucinogens. Academic Press.

Chicago Style (17th ed.) Citation

Hoffer, Abram, and Humphry Osmond. The Hallucinogens. New York: Academic Press, 1967.

MLA (9th ed.) Citation

Hoffer, Abram, and Humphry Osmond. The Hallucinogens. Academic Press, 1967.