Purgatoy. No. 1-5.
MLA
Hoffman, Judy, et al. Purgatoy. New York, NY: Purgatory Pie Press, 1999-2004
APA, 7th edition
Hoffman, J., Redding, H., Happersett, S., Lederman, S. Brody, & Collicott, C. (1999-2004). Purgatoy. New York, NY: Purgatory Pie Press
Chicago, 17th edition
Hoffman, Judy., Harvey Redding, Susan Happersett, Stephanie Brody Lederman, and Chris Collicott. Purgatoy. New York, NY: Purgatory Pie Press, 1999-2004