APA (7th ed.) Citation

Harms, E. (1973). Drugs and youth: The challenge of today. Pergamon Press.

Chicago Style (17th ed.) Citation

Harms, Ernest. Drugs and Youth: The Challenge of Today. New York, NY [u.a.]: Pergamon Press, 1973.

MLA (9th ed.) Citation

Harms, Ernest. Drugs and Youth: The Challenge of Today. Pergamon Press, 1973.