Cita APA (7a ed.)

Sheley, J. F., & Wright, J. D. (1992). Youth, Guns and Violence in Urban America.

Cita Chicago Style (17a ed.)

Sheley, Joseph F., y James D. Wright. Youth, Guns and Violence in Urban America. 1992.

Cita MLA (9a ed.)

Sheley, Joseph F., y James D. Wright. Youth, Guns and Violence in Urban America. 1992.