Belling, L., Cran, W., & Menzies, G. (2004). 1421: The year China discovered America. PBS Home Video.
Cita Chicago Style (17a ed.)Belling, Larry, William Cran, y Gavin Menzies. 1421: The Year China Discovered America. [Alexandria, Va.]: PBS Home Video, 2004.
Cita MLA (8a ed.)Belling, Larry, et al. 1421: The Year China Discovered America. PBS Home Video, 2004.
Precaución: Estas citas no son 100% exactas.