Aveni, A. F. (2009). The End of Time: The Maya Mystery of 2012. University Press of Colorado.
Cita Chicago Style (17a ed.)Aveni, Anthony F. The End of Time: The Maya Mystery of 2012. Boulder, Colo.: University Press of Colorado, 2009.
Cita MLA (8a ed.)Aveni, Anthony F. The End of Time: The Maya Mystery of 2012. University Press of Colorado, 2009.
Precaución: Estas citas no son 100% exactas.