APA (7th ed.) Citation

Rashdall, H., Emden, A. B., & Powicke, M. (1969). The universities of Europe in the Middle Ages (New ed. in 3 volumes.). Oxford University Press.

Chicago Style (17th ed.) Citation

Rashdall, Hastings, A. B. Emden, and Maurice Powicke. The Universities of Europe in the Middle Ages. New ed. in 3 volumes. London [etc.]: Oxford University Press, 1969.

MLA (9th ed.) Citation

Rashdall, Hastings, et al. The Universities of Europe in the Middle Ages. New ed. in 3 volumes. Oxford University Press, 1969.