Cita APA (7a ed.)

Sanjek, R. (2009). Gray Panthers. University of Pennyslvania Press.

Cita Chicago Style (17a ed.)

Sanjek, Roger. Gray Panthers. Philadelphia: University of Pennyslvania Press, 2009.

Cita MLA (8a ed.)

Sanjek, Roger. Gray Panthers. University of Pennyslvania Press, 2009.