APA (7e ed.) Bronvermelding

Sheridan, S. A fighter's heart: One man's journey through the world of fighting. Grove Press.

Chicago (17e ed.) Bronvermelding

Sheridan, Sam. A Fighter's Heart: One Man's Journey Through the World of Fighting. New York: Grove Press.

MLA (9e ed.) Bronvermelding

Sheridan, Sam. A Fighter's Heart: One Man's Journey Through the World of Fighting. Grove Press.