The hallucinogens

MLA

Hoffer, Abram, Humphry Osmond, and T Weckowicz. The Hallucinogens. New York: Academic press, 1967.

APA

Hoffer, A., Osmond, H., & Weckowicz, T. (1967). The hallucinogens. New York: Academic press.

Chicago

Hoffer, Abram, Humphry Osmond, and T Weckowicz. The Hallucinogens. New York: Academic press, 1967.