APA (7th ed.) Citation

Powicke, M. R., Sandquist, T. A., & Wilkinson, B. (1969). Essays in medieval history presented to Bertie Wilkinson. University of Toronto Press.

Chicago Style (17th ed.) Citation

Powicke, Michael R., T. A. Sandquist, and Bertie Wilkinson. Essays in Medieval History Presented to Bertie Wilkinson. [Toronto]: University of Toronto Press, 1969.

MLA (9th ed.) Citation

Powicke, Michael R., et al. Essays in Medieval History Presented to Bertie Wilkinson. University of Toronto Press, 1969.