Cita APA (7a ed.)

Bray, R. M., & Marsden, M. E. (1999). Drug Use in Metropolitan America. Sage Publications, Inc.

Cita Chicago Style (17a ed.)

Bray, Robert M., y Mary Ellen Marsden. Drug Use in Metropolitan America. [Erscheinungsort nicht ermittelbar]: Sage Publications, Inc, 1999.

Cita MLA (9a ed.)

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