APA (7th ed.) Citation

Graper, E. D. (1921). American police administration; a handbook on police organization and methods of administration in American cities. Macmillan.

Chicago Style (17th ed.) Citation

Graper, Elmer Diedrich. American Police Administration; a Handbook on Police Organization and Methods of Administration in American Cities. New York: Macmillan, 1921.

MLA (9th ed.) Citation

Graper, Elmer Diedrich. American Police Administration; a Handbook on Police Organization and Methods of Administration in American Cities. Macmillan, 1921.