APA (7th ed.) Citation

Cain, J. M. (1942). The postman always rings twice. Avon book company.

Chicago Style (17th ed.) Citation

Cain, James M. The Postman Always Rings Twice. New York: Avon book company, 1942.

MLA (9th ed.) Citation

Cain, James M. The Postman Always Rings Twice. Avon book company, 1942.