APA (7th ed.) Citation

Krajicek, D. J. MASS KILLERS: Inside the Minds of Men Who Murder.

Chicago Style (17th ed.) Citation

Krajicek, David J. MASS KILLERS: Inside the Minds of Men Who Murder.

MLA (9th ed.) Citation

Krajicek, David J. MASS KILLERS: Inside the Minds of Men Who Murder.

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