Παραπομπή σε μορφή APA (7η εκδ.)

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

Παραπομπή σε μορφή Chicago (17η εκδ.)

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

Παραπομπή σε μορφή MLA (9th εκδ.)

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