APA (7th ed.) Citation

Roughead, W. (1941). The murderer's companion. The Press of the Readers club.

Chicago Style (17th ed.) Citation

Roughead, William. The Murderer's Companion. New York: The Press of the Readers club, 1941.

MLA (9th ed.) Citation

Roughead, William. The Murderer's Companion. The Press of the Readers club, 1941.