APA (7th ed.) Citation

Dillmann. (1986). Unholy matrimony: A true story of murder and obsession. Berkley Books.

Chicago Style (17th ed.) Citation

Dillmann. Unholy Matrimony: A True Story of Murder and Obsession. New York: Berkley Books, 1986.

MLA (8th ed.) Citation

Dillmann. Unholy Matrimony: A True Story of Murder and Obsession. Berkley Books, 1986.

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