Cita APA (7th ed.)
Quinn, K. G. (2012). The Economics of the National Football League: The State of the Art. Springer New York. https://doi.org/10.1007/978-1-4419-6290-4
Cita Chicago (17th ed.)
Quinn, Kevin G. The Economics of the National Football League: The State of the Art. New York, NY: Springer New York, 2012. https://doi.org/10.1007/978-1-4419-6290-4.
Cita MLA (9th ed.)
Quinn, Kevin G. The Economics of the National Football League: The State of the Art. Springer New York, 2012. https://doi.org/10.1007/978-1-4419-6290-4.
Atenció: Aquestes cites poden no estar 100% correctes.