Style de citation APA (7e éd.)

Helmer, W. J., & Winkeler, G. (2011). Al Capone and His American Boys: Memoirs of a Mobster's Wife. Indiana University Press.

Style de citation Chicago (17e éd.)

Helmer, William J., et Georgette Winkeler. Al Capone and His American Boys: Memoirs of a Mobster's Wife. Bloomington: Indiana University Press, 2011.

Style de citation MLA (8e éd.)

Helmer, William J., et Georgette Winkeler. Al Capone and His American Boys: Memoirs of a Mobster's Wife. Indiana University Press, 2011.