Cita APA

Douglas, D. (2009). The Mayan prophecy 2012: The Mayan calendar and the end of time. Godsfield.

Citación estilo Chicago

Douglas, David. The Mayan Prophecy 2012: The Mayan Calendar and the End of Time. London: Godsfield, 2009.

Cita MLA

Douglas, David. The Mayan Prophecy 2012: The Mayan Calendar and the End of Time. Godsfield, 2009.

Warning: These citations may not always be 100% accurate.