Cita APA (7a ed.)

Schroeder, D. J. (1987). An investigation of the value of police-related research. Univ. Microfilms International.

Cita Chicago Style (17a ed.)

Schroeder, Donald J. An Investigation of the Value of Police-related Research. Ann Arbor, Mich: Univ. Microfilms International, 1987.

Cita MLA (8a ed.)

Schroeder, Donald J. An Investigation of the Value of Police-related Research. Univ. Microfilms International, 1987.