APA
Knowles D., . (1962). The evolution of medieval thought. Baltimore: Helicon Press.
Chicago
Knowles David, . 1962. The evolution of medieval thought. Baltimore: Helicon Press.
Harvard
Knowles D., . (1962). The evolution of medieval thought. Baltimore: Helicon Press.
MLA
Knowles David, . The evolution of medieval thought. Baltimore: Helicon Press. 1962.
