APA (7th ed.) Citation

Merwin, R. E., & Vaillant, G. C. (1932). The ruins of Holmul, Guatemala.

Chicago Style (17th ed.) Citation

Merwin, Raymond E., and George C. Vaillant. The Ruins of Holmul, Guatemala. Cambridge, 1932.

MLA (9th ed.) Citation

Merwin, Raymond E., and George C. Vaillant. The Ruins of Holmul, Guatemala. 1932.