APA (7th ed.) Citation

Farnell, F. J. (1920). Detective versus the Psychopath.

Chicago Style (17th ed.) Citation

Farnell, Frederic J. Detective Versus the Psychopath. 1920.

MLA (9th ed.) Citation

Farnell, Frederic J. Detective Versus the Psychopath. 1920.

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