APA (7th ed.) Citation

Downey, P. (2004). Gangster city: The history of the New York underworld, 1900 - 1940. Barricade Books.

Chicago Style (17th ed.) Citation

Downey, Patrick. Gangster City: The History of the New York Underworld, 1900 - 1940. Fort Lee, NJ: Barricade Books, 2004.

MLA (9th ed.) Citation

Downey, Patrick. Gangster City: The History of the New York Underworld, 1900 - 1940. Barricade Books, 2004.