APA (7th ed.) Citation

Sacco, N., Vanzetti, B., Frankfurter, M. D., & Jackson, G. (1960). The letters of Sacco and Vanzetti. Dutton.

Chicago Style (17th ed.) Citation

Sacco, Nicola, Bartolomeo Vanzetti, Marion Denman Frankfurter, and Gardner Jackson. The Letters of Sacco and Vanzetti. New York: Dutton, 1960.

MLA (8th ed.) Citation

Sacco, Nicola, et al. The Letters of Sacco and Vanzetti. Dutton, 1960.