APA (7th ed.) Citation

Calleman, C. J. (2001). The mayan calendar. Garev.

Chicago Style (17th ed.) Citation

Calleman, Carl Johan. The Mayan Calendar. Garev, 2001.

MLA (8th ed.) Citation

Calleman, Carl Johan. The Mayan Calendar. Garev, 2001.

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