APA-viite (7. p.)

Thompson, J. W., & Johnson, E. N. (1965). An introduction to medieval Europe; 300-1500. Norton.

Chicago-viite (17. p.)

Thompson, James Westfall, ja Edgar Nathaniel Johnson. An Introduction to Medieval Europe; 300-1500. New York: Norton, 1965.

MLA-viite (9. p.)

Thompson, James Westfall, ja Edgar Nathaniel Johnson. An Introduction to Medieval Europe; 300-1500. Norton, 1965.