APA (7th ed.) Citation

Weeks, J. M., Prager, C. M., & Sachse, F. (2009). Maya daykeeping: Three calendars from highland Guatemala. University Press of Colorado.

Chicago Style (17th ed.) Citation

Weeks, John M., Christian M. Prager, and Frauke Sachse. Maya Daykeeping: Three Calendars from Highland Guatemala. Boulder, Colo.: University Press of Colorado, 2009.

MLA (9th ed.) Citation

Weeks, John M., et al. Maya Daykeeping: Three Calendars from Highland Guatemala. University Press of Colorado, 2009.