Cita APA (7a ed.)

Shelton, R. (2007). Crossing the yard: Thirty years as a prison volunteer. University of Arizona Press.

Cita Chicago Style (17a ed.)

Shelton, Richard. Crossing the Yard: Thirty Years as a Prison Volunteer. Tucson: University of Arizona Press, 2007.

Cita MLA (8a ed.)

Shelton, Richard. Crossing the Yard: Thirty Years as a Prison Volunteer. University of Arizona Press, 2007.