Παραπομπή APA

A Hoffer & H Osmond. (1967). Hallucinogens. Academic press.

Παραπομπή Chicago Style

A Hoffer και H Osmond. Hallucinogens. Academic press, 1967.

Παραπομπή MLA

A Hoffer και H Osmond. Hallucinogens. Academic press, 1967.