Stewart, M. (1998). Football: A History of the Gridiron Game. Franklin Watts.
Cita Chicago Style (17a ed.)Stewart, Mark. Football: A History of the Gridiron Game. Franklin Watts, 1998.
Cita MLA (8a ed.)Stewart, Mark. Football: A History of the Gridiron Game. Franklin Watts, 1998.
Precaución: Estas citas no son 100% exactas.