APA (7th ed.) Citation

Provost, G. (1990). Without mercy: Obsession and murder under the influence (1. pocket books hardcover print.). Pocket Books.

Chicago Style (17th ed.) Citation

Provost, Gary. Without Mercy: Obsession and Murder Under the Influence. 1. pocket books hardcover print. New York [u.a.]: Pocket Books, 1990.

MLA (8th ed.) Citation

Provost, Gary. Without Mercy: Obsession and Murder Under the Influence. 1. pocket books hardcover print. Pocket Books, 1990.