APA
Knowles D., . (1962). The evolution of medieval thought. New York: Vintage Books.
Chicago
Knowles David, . 1962. The evolution of medieval thought. New York: Vintage Books.
Harvard
Knowles D., . (1962). The evolution of medieval thought. New York: Vintage Books.
MLA
Knowles David, . The evolution of medieval thought. New York: Vintage Books. 1962.
