APA (7th ed.) Citation

Douglas, J. E., & Olshaker, M. (1996). Unabomber: On the trail of America's most-wanted serial killer (1. Pocket Books print.). Pocket Books.

Chicago Style (17th ed.) Citation

Douglas, John E., and Mark Olshaker. Unabomber: On the Trail of America's Most-wanted Serial Killer. 1. Pocket Books print. New York [u.a.]: Pocket Books, 1996.

MLA (8th ed.) Citation

Douglas, John E., and Mark Olshaker. Unabomber: On the Trail of America's Most-wanted Serial Killer. 1. Pocket Books print. Pocket Books, 1996.

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