Cita APA (7a ed.)

Maxfield, M. G., & Babbie, E. R. (2001). Research methods for criminal justice and criminology (3. ed.). Wadsworth.

Cita Chicago Style (17a ed.)

Maxfield, Michael G., y Earl R. Babbie. Research Methods for Criminal Justice and Criminology. 3. ed. Belmont, Calif. [u.a.]: Wadsworth, 2001.

Cita MLA (9a ed.)

Maxfield, Michael G., y Earl R. Babbie. Research Methods for Criminal Justice and Criminology. 3. ed. Wadsworth, 2001.