Weyand, A. M. (1926). American football: Its history and development. D. Appleton and company.
Cita Chicago (17th ed.)Weyand, Alexander M. American Football: Its History and Development. New York, London: D. Appleton and company, 1926.
Cita MLA (9th ed.)Weyand, Alexander M. American Football: Its History and Development. D. Appleton and company, 1926.
Atenció: Aquestes cites poden no estar 100% correctes.