Cita APA (7a ed.)

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

Cita Chicago Style (17a ed.)

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

Cita MLA (9a ed.)

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