APA (7th ed.) Citation

American Council of Learned Societies, Strayer, J. R., & Jordan, W. C. (1987). Dictionary of the Middle Ages. Scribner.

Chicago Style (17th ed.) Citation

American Council of Learned Societies, Joseph Reese Strayer, and William C. Jordan. Dictionary of the Middle Ages. New York: Scribner, 1987.

MLA (8th ed.) Citation

American Council of Learned Societies, et al. Dictionary of the Middle Ages. Scribner, 1987.