APA (7th ed.) Citation

Critchley, D. (2009). The origin of organized crime in America: The New York City mafia, 1891-1931. Routledge.

Chicago Style (17th ed.) Citation

Critchley, David. The Origin of Organized Crime in America: The New York City Mafia, 1891-1931. New York: Routledge, 2009.

MLA (9th ed.) Citation

Critchley, David. The Origin of Organized Crime in America: The New York City Mafia, 1891-1931. Routledge, 2009.

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