APA (7th ed.) Citation

AMS Press, New York, NY. (1980). AMS studies in the middle ages. AMS Press.

Chicago Style (17th ed.) Citation

AMS Press, New York, NY. AMS Studies in the Middle Ages. New York, NY [u.a.]: AMS Press, 1980.

MLA (8th ed.) Citation

AMS Press, New York, NY. AMS Studies in the Middle Ages. AMS Press, 1980.