Cita APA (7th ed.)
Maiken, P. T., & Sullivan, T. (1983). Killer clown: The John Wayne Gacy murders. Pinnacle Books.
Cita Chicago (17th ed.)
Maiken, Peter T., i Terry Sullivan. Killer Clown: The John Wayne Gacy Murders. New York: Pinnacle Books, 1983.
Cita MLA (9th ed.)
Maiken, Peter T., i Terry Sullivan. Killer Clown: The John Wayne Gacy Murders. Pinnacle Books, 1983.
Atenció: Aquestes cites poden no estar 100% correctes.