Cita APA (7a ed.)

Ormond, M., & Hirst, M. (1991). Life in the Middle Ages. Wayland.

Cita Chicago Style (17a ed.)

Ormond, Mark, y Mike Hirst. Life in the Middle Ages. Hove: Wayland, 1991.

Cita MLA (9a ed.)

Ormond, Mark, y Mike Hirst. Life in the Middle Ages. Wayland, 1991.