Cita APA (7a ed.)

Macdonald, F., & Bergin, M. (2005). How to be a medieval knight. National Geographic Society.

Cita Chicago Style (17a ed.)

Macdonald, Fiona, y Mark Bergin. How to Be a Medieval Knight. Washington, D.C.: National Geographic Society, 2005.

Cita MLA (8a ed.)

Macdonald, Fiona, y Mark Bergin. How to Be a Medieval Knight. National Geographic Society, 2005.

Precaución: Estas citas no son 100% exactas.