MLA

Poole, Reginald Lane. Illustrations of the History of Medieval Thought and Learning. 2nd edition, revised New York (N.Y.): Dover publications, 1960.

APA

Poole, R. Lane. (1960). Illustrations of the history of medieval thought and learning. 2nd edition, revised New York (N.Y.): Dover publications.

Chicago

Poole, Reginald Lane, Illustrations of the History of Medieval Thought and Learning. 2nd edition, revised New York (N.Y.): Dover publications, 1960.