Cita APA (7a ed.)

Petersen, R. D. (2004). Understanding contemporary gangs in America: An interdisciplinary approach. Prentice Hall.

Cita Chicago Style (17a ed.)

Petersen, Rebecca D. Understanding Contemporary Gangs in America: An Interdisciplinary Approach. Upper Saddle River, NJ: Prentice Hall, 2004.

Cita MLA (8a ed.)

Petersen, Rebecca D. Understanding Contemporary Gangs in America: An Interdisciplinary Approach. Prentice Hall, 2004.