Cita APA (7a ed.)

Quirk, J. P., & Fort, R. D. (1999). Hard ball: The abuse of power in pro team sports. Princeton University Press.

Cita Chicago Style (17a ed.)

Quirk, James P., y Rodney D. Fort. Hard Ball: The Abuse of Power in Pro Team Sports. Princeton, N.J.: Princeton University Press, 1999.

Cita MLA (8a ed.)

Quirk, James P., y Rodney D. Fort. Hard Ball: The Abuse of Power in Pro Team Sports. Princeton University Press, 1999.