Cita APA (7a ed.)

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

Cita Chicago Style (17a ed.)

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

Cita MLA (8a ed.)

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