APA (7th ed.) Citation

Erosa Peniche, J. A., & Gormon, J. W. (1947). Guide to the ruins of Chichén Itzá (3rd ed.). Yikal Maya Than.

Chicago Style (17th ed.) Citation

Erosa Peniche, José A., and John W. Gormon. Guide to the Ruins of Chichén Itzá. 3rd ed. Mérida, Yucatán: Yikal Maya Than, 1947.

MLA (9th ed.) Citation

Erosa Peniche, José A., and John W. Gormon. Guide to the Ruins of Chichén Itzá. 3rd ed. Yikal Maya Than, 1947.