APA (7e ed.) Bronvermelding

León Portilla, M., Garibay K., A. M., & Kemp, L. (1992). The broken spears: The Aztec account of the conquest of Mexico (Expanded and updated edition.). Beacon Press.

Chicago (17e ed.) Bronvermelding

León Portilla, Miguel, Angel Maria Garibay K., en Lysander Kemp. The Broken Spears: The Aztec Account of the Conquest of Mexico. Expanded and updated edition. Boston, Massachusetts: Beacon Press, 1992.

MLA (9e ed.) Bronvermelding

León Portilla, Miguel, et al. The Broken Spears: The Aztec Account of the Conquest of Mexico. Expanded and updated edition. Beacon Press, 1992.