APA (7th ed.) Citation

Daems, T., Zyl Smit, D. v., & Snacken, S. (2017). European penology? (1a. ed.). Hart Publishing.

Chicago Style (17th ed.) Citation

Daems, Tom, Dirk van Zyl Smit, and Sonja Snacken. European Penology? 1a. ed. Oxford: Hart Publishing, 2017.

MLA (9th ed.) Citation

Daems, Tom, et al. European Penology? 1a. ed. Hart Publishing, 2017.