APA

Thompson J. W., Johnson E. N., . (1937). An introduction to medieval Europe, 300-1500. New York: W. W. Norton and Co.

Chicago

Thompson James Westfall, Johnson Edgar Nathaniel, . 1937. An introduction to medieval Europe, 300-1500. New York: W. W. Norton and Co.

Harvard

Thompson J. W., Johnson E. N., . (1937). An introduction to medieval Europe, 300-1500. New York: W. W. Norton and Co.

MLA

Thompson James Westfall, Johnson Edgar Nathaniel, . An introduction to medieval Europe, 300-1500. New York: W. W. Norton and Co. 1937.