APA (7th ed.) Citation

Thompson, J. E. S. (1927). A correlation of the Mayan and European calendars. [publisher not identified].

Chicago Style (17th ed.) Citation

Thompson, J. Eric S. A Correlation of the Mayan and European Calendars. Chicago: [publisher not identified], 1927.

MLA (8th ed.) Citation

Thompson, J. Eric S. A Correlation of the Mayan and European Calendars. [publisher not identified], 1927.