Cita APA (7th ed.)

Aveni, A. F. (2009). The end of time: The Maya mystery of 2012. University Press of Colorado.

Cita Chicago (17th ed.)

Aveni, Anthony F. The End of Time: The Maya Mystery of 2012. Boulder, Colo.: University Press of Colorado, 2009.

Cita MLA (9th ed.)

Aveni, Anthony F. The End of Time: The Maya Mystery of 2012. University Press of Colorado, 2009.

Atenció: Aquestes cites poden no estar 100% correctes.