Cita APA (7a ed.)

Cobbs Hoffman, E. (2013). American umpire. Harvard University Press.

Cita Chicago Style (17a ed.)

Cobbs Hoffman, Elizabeth. American Umpire. Cambridge, Mass.: Harvard University Press, 2013.

Cita MLA (8a ed.)

Cobbs Hoffman, Elizabeth. American Umpire. Harvard University Press, 2013.