Cita APA (7a ed.)

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

Cita Chicago Style (17a ed.)

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

Cita MLA (8a ed.)

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

Precaución: Estas citas no son 100% exactas.