APA (7th ed.) Citation

Cain, J. M. (1978). The postman always rings twice / James M. Cain. Vintage.

Chicago Style (17th ed.) Citation

Cain, James M. The Postman Always Rings Twice / James M. Cain. New York: Vintage, 1978.

MLA (9th ed.) Citation

Cain, James M. The Postman Always Rings Twice / James M. Cain. Vintage, 1978.

Warning: These citations may not always be 100% accurate.