Roll, R. (2012). Finding Ultra: Rejecting middle age, becoming one of the world's fittest men, and discovering myself. Blackstone Audio.
Style de citation Chicago (17e éd.)Roll, Rich. Finding Ultra: Rejecting Middle Age, Becoming One of the World's Fittest Men, and Discovering Myself. [Ashland, OR]: Blackstone Audio, 2012.
Style de citation MLA (8e éd.)Roll, Rich. Finding Ultra: Rejecting Middle Age, Becoming One of the World's Fittest Men, and Discovering Myself. Blackstone Audio, 2012.
Attention : ces citations peuvent ne pas être correctes à 100%.