Cita APA (7a ed.)

Stevens, P., & Willis, C. F. (1981). Ethnic minorities and complaints against the police. Research and Planning Unit paper.

Cita Chicago Style (17a ed.)

Stevens, Philip, y Carole F. Willis. "Ethnic Minorities and Complaints Against the Police." Research and Planning Unit Paper 1981.

Cita MLA (8a ed.)

Stevens, Philip, y Carole F. Willis. "Ethnic Minorities and Complaints Against the Police." Research and Planning Unit Paper, 1981.