Sheridan, S. A fighter's heart: One man's journey through the world of fighting. Grove Press.
Citazione stile Chigago Style (17a edizione)Sheridan, Sam. A Fighter's Heart: One Man's Journey Through the World of Fighting. New York: Grove Press.
Citatione MLA (9a ed.)Sheridan, Sam. A Fighter's Heart: One Man's Journey Through the World of Fighting. Grove Press.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.