APA (7th ed.) Citation

Musmanno, M. A., Sacco, N., & Vanzetti, B. (1939). After twelve years ([1st ed.].). A.A. Knopf.

Chicago Style (17th ed.) Citation

Musmanno, Michael A., Nicola Sacco, and Bartolomeo Vanzetti. After Twelve Years. [1st ed.]. New York, London: A.A. Knopf, 1939.

MLA (8th ed.) Citation

Musmanno, Michael A., et al. After Twelve Years. [1st ed.]. A.A. Knopf, 1939.