APA (7th ed.) Zitazioa

Carr, J. F., & Willis, C. (2010). The man who built the National Football League. Scarecrow Press.

Chicago Style (17th ed.) Zitazioa

Carr, Joe F., eta Chris Willis. The Man Who Built the National Football League. Lanham: Scarecrow Press, 2010.

MLA (9th ed.) Zitazioa

Carr, Joe F., eta Chris Willis. The Man Who Built the National Football League. Scarecrow Press, 2010.