Cita APA (7a ed.)

Bray, R. M., & Marsden, M. E. (1999). Drug use in metropolitan America. Sage Publications.

Cita Chicago Style (17a ed.)

Bray, Robert M., y Mary Ellen Marsden. Drug Use in Metropolitan America. Thousand Oaks, Calif. [u.a.]: Sage Publications, 1999.

Cita MLA (9a ed.)

Bray, Robert M., y Mary Ellen Marsden. Drug Use in Metropolitan America. Sage Publications, 1999.