APA (7th ed.) Citation

Vollmer, A., & Parker, A. E. (1937). Crime, crooks & cops. Funk & Wagnalls.

Chicago Style (17th ed.) Citation

Vollmer, August, and Alfred E. Parker. Crime, Crooks & Cops. New York and London: Funk & Wagnalls, 1937.

MLA (9th ed.) Citation

Vollmer, August, and Alfred E. Parker. Crime, Crooks & Cops. Funk & Wagnalls, 1937.

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