Cita APA (7a ed.)

Menzies, G. (2003). 1421: The year China discovered America (1. U.S. edition.). W. Morrow.

Cita Chicago Style (17a ed.)

Menzies, Gavin. 1421: The Year China Discovered America. 1. U.S. edition. New York, NY: W. Morrow, 2003.

Cita MLA (9a ed.)

Menzies, Gavin. 1421: The Year China Discovered America. 1. U.S. edition. W. Morrow, 2003.