Cita APA (7a ed.)

Beschner, G. M., & Friedman, A. S. (1986). Teen drug use. Lexington Books.

Cita Chicago Style (17a ed.)

Beschner, George M., y Alfred S. Friedman. Teen Drug Use. Lexington, Mass. [u.a.]: Lexington Books, 1986.

Cita MLA (8a ed.)

Beschner, George M., y Alfred S. Friedman. Teen Drug Use. Lexington Books, 1986.