APA (7th ed.) Citation

Ditchburn, D., MacLean, S., & MacKay, A. (2007). Atlas of medieval Europe (2nd ed.). Routledge.

Chicago Style (17th ed.) Citation

Ditchburn, David, Simon MacLean, and Angus MacKay. Atlas of Medieval Europe. 2nd ed. London ; New York: Routledge, 2007.

MLA (9th ed.) Citation

Ditchburn, David, et al. Atlas of Medieval Europe. 2nd ed. Routledge, 2007.