APA Citation

Karnazes, D., & Amazon.com (Firm). (2005). Ultramarathon man: Confessions of an all-night runner (Kindle ed.). New York: J.P. Tarcher/Penguin.

MLA Citation

Karnazes, Dean, and Amazon.com (Firm). Ultramarathon Man: Confessions of an All-night Runner. Kindle ed. New York: J.P. Tarcher/Penguin, 2005.

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