APA (7th ed.) Citation

Koehler, R. P. (1943). Steps to murder. Wright & Brown.

Chicago Style (17th ed.) Citation

Koehler, Robert Portner. Steps to Murder. London: Wright & Brown, 1943.

MLA (8th ed.) Citation

Koehler, Robert Portner. Steps to Murder. Wright & Brown, 1943.

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