APA استشهاد

Modell, W., & Lancing, A. (1967). Drugs. Time life books.

استشهاد بنمط شيكاغو

Modell, Walter, و Alfred Lancing. Drugs. New York: Time life books, 1967.

MLA استشهاد

Modell, Walter, و Alfred Lancing. Drugs. Time life books, 1967.