Cita APA (7a ed.)

Regoli, R. M. (1977). Police in America. Univ. of America Pr.

Cita Chicago Style (17a ed.)

Regoli, Robert M. Police in America. Washington, D.C: Univ. of America Pr, 1977.

Cita MLA (8a ed.)

Regoli, Robert M. Police in America. Univ. of America Pr, 1977.