Cita APA (7a ed.)

Bray, R. M., Vincus, A. A., & Marsden, M. E. (1999). Impact of drug use in metropolitan America. Sage Publications.

Cita Chicago Style (17a ed.)

Bray, Robert M., Amy A. Vincus, y Mary Ellen Marsden. Impact of Drug Use in Metropolitan America. Sage Publications, 1999.

Cita MLA (9a ed.)

Bray, Robert M., et al. Impact of Drug Use in Metropolitan America. Sage Publications, 1999.