Cita APA

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

Citación estilo Chicago

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

Cita MLA

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