Cita APA (7a ed.)

Maxfield, M. G., & Babbie, E. R. (1998). Research methods for criminal justice and criminology (2. ed.). West/Wadsworth.

Cita Chicago Style (17a ed.)

Maxfield, Michael G., y Earl R. Babbie. Research Methods for Criminal Justice and Criminology. 2. ed. Belmont, Calif. [u.a.]: West/Wadsworth, 1998.

Cita MLA (9a ed.)

Maxfield, Michael G., y Earl R. Babbie. Research Methods for Criminal Justice and Criminology. 2. ed. West/Wadsworth, 1998.