Cita APA (7a ed.)

Chicago, Ill. Citizens' Police Committee. (1931). Chicago police problems. Univ. of Chicago Pr.

Cita Chicago Style (17a ed.)

Chicago, Ill. Citizens' Police Committee. Chicago Police Problems. Chicago [u.a.]: Univ. of Chicago Pr, 1931.

Cita MLA (9a ed.)

Chicago, Ill. Citizens' Police Committee. Chicago Police Problems. Univ. of Chicago Pr, 1931.