Cita APA (7a ed.)

Sigler, R. T. (1975). Influence and gang membership in three juvenile correctional institutions. Univ. Microfilms.

Cita Chicago Style (17a ed.)

Sigler, Robert T. Influence and Gang Membership in Three Juvenile Correctional Institutions. Ann Arbor, Mich: Univ. Microfilms, 1975.

Cita MLA (9a ed.)

Sigler, Robert T. Influence and Gang Membership in Three Juvenile Correctional Institutions. Univ. Microfilms, 1975.