APA (7th ed.) Citation

Hopkins, E. J. (1931). Our lawless police: A study of the unlawful enforcement of the law. The Viking Press.

Chicago Style (17th ed.) Citation

Hopkins, Ernest Jerome. Our Lawless Police: A Study of the Unlawful Enforcement of the Law. New York: The Viking Press, 1931.

MLA (8th ed.) Citation

Hopkins, Ernest Jerome. Our Lawless Police: A Study of the Unlawful Enforcement of the Law. The Viking Press, 1931.