APA (7th ed.) Citation

Abulafia, D., & Berend, N. (2016). Medieval frontiers: Concepts and practices. Routledge.

Chicago Style (17th ed.) Citation

Abulafia, David, and Nora Berend. Medieval Frontiers: Concepts and Practices. London, [England] ; New York, New York: Routledge, 2016.

MLA (9th ed.) Citation

Abulafia, David, and Nora Berend. Medieval Frontiers: Concepts and Practices. Routledge, 2016.