APA (7th ed.) Citation

Ebtún (Mexico) & Roys, R. L. (1939). The titles of Ebtun. Carnegie institution of Washington.

Chicago Style (17th ed.) Citation

Ebtún (Mexico) and Ralph Loveland Roys. The Titles of Ebtun. Washington, D.C.: Carnegie institution of Washington, 1939.

MLA (9th ed.) Citation

Ebtún (Mexico) and Ralph Loveland Roys. The Titles of Ebtun. Carnegie institution of Washington, 1939.