APA (7th ed.) Citation

Herbert Asbury. (1998). The gangs of New York: An informal history of the underworld. Thunder's mouth.

Chicago Style (17th ed.) Citation

Herbert Asbury. The Gangs of New York: An Informal History of the Underworld. New york USA: Thunder's mouth, 1998.

MLA (9th ed.) Citation

Herbert Asbury. The Gangs of New York: An Informal History of the Underworld. Thunder's mouth, 1998.