Cita APA (7a ed.)

Chaiken, J. M., & Cohen, B. (1973). Police civil service selection procedures in New York City: Comparison of ethnic groups. New York City Rand Institute.

Cita Chicago Style (17a ed.)

Chaiken, Jan M., y Bernard Cohen. Police Civil Service Selection Procedures in New York City: Comparison of Ethnic Groups. New York: New York City Rand Institute, 1973.

Cita MLA (8a ed.)

Chaiken, Jan M., y Bernard Cohen. Police Civil Service Selection Procedures in New York City: Comparison of Ethnic Groups. New York City Rand Institute, 1973.