APA (7th ed.) Citation

Perkins, R. M. (1947). Police examinations. Foundation Press.

Chicago Style (17th ed.) Citation

Perkins, Rollin Morris. Police Examinations. Brooklyn: Foundation Press, 1947.

MLA (9th ed.) Citation

Perkins, Rollin Morris. Police Examinations. Foundation Press, 1947.

Warning: These citations may not always be 100% accurate.