Boggs, J. D. (2003). Purgatoire: A western story. Five Star.
Cita Chicago Style (17a ed.)Boggs, Johnny D. Purgatoire: A Western Story. Waterville, Me.: Five Star, 2003.
Cita MLA (8a ed.)Boggs, Johnny D. Purgatoire: A Western Story. Five Star, 2003.
Precaución: Estas citas no son 100% exactas.