Purgatory

MLA

Vanhoutte, Kristof, and Benjamin W McCraw. Purgatory. Springer International Publishing, 2017.

APA

Vanhoutte, K., & McCraw, B. W. (2017). Purgatory. Springer International Publishing.

Chicago

Vanhoutte, Kristof, and Benjamin W McCraw. Purgatory. : Springer International Publishing, 2017.