APA (7th ed.) Citation

Passaro, V. (1998). The forgotten killer. Harper's Magazine, 296(1775), 71.

Chicago Style (17th ed.) Citation

Passaro, Vince. "The Forgotten Killer." Harper's Magazine 296, no. 1775 (1998): 71.

MLA (9th ed.) Citation

Passaro, Vince. "The Forgotten Killer." Harper's Magazine, vol. 296, no. 1775, 1998, p. 71.