APA (7th ed.) Citation

Taylor, B., Knight, S., & Knight, S. (1987). Perfect murder: A century of unsolved homicides. Grafton Books.

Chicago Style (17th ed.) Citation

Taylor, Bernard, Stephen Knight, and Stephen Knight. Perfect Murder: A Century of Unsolved Homicides. London [u.a.]: Grafton Books, 1987.

MLA (8th ed.) Citation

Taylor, Bernard, et al. Perfect Murder: A Century of Unsolved Homicides. Grafton Books, 1987.