Crowley, K. (1997). Sleep my little dead: The true story of the Zodiac Killer (St. Martin's Paperbacks ed.). St. Martin's Paperbacks.
Chicago Style (17th ed.) CitationCrowley, Kieran. Sleep My Little Dead: The True Story of the Zodiac Killer. St. Martin's Paperbacks ed. New York, NY: St. Martin's Paperbacks, 1997.
MLA (9th ed.) CitationCrowley, Kieran. Sleep My Little Dead: The True Story of the Zodiac Killer. St. Martin's Paperbacks ed. St. Martin's Paperbacks, 1997.
Warning: These citations may not always be 100% accurate.