APA (7th ed.) Citation

Grylls, B. (2012). Mud, sweat and tears / Bear Grylls (Channel 4 Books pbk. ed.). 4 Books.

Chicago Style (17th ed.) Citation

Grylls, Bear. Mud, Sweat and Tears / Bear Grylls. Channel 4 Books pbk. ed. London: 4 Books, 2012.

MLA (9th ed.) Citation

Grylls, Bear. Mud, Sweat and Tears / Bear Grylls. Channel 4 Books pbk. ed. 4 Books, 2012.

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