MLA

Erdoes, Richard, 1912-2008. "Maya Art". Box 53. 1979-1990, undated. https://collections.library.yale.edu/catalog/2082404.

APA, 6th edition

Erdoes, Richard, 1912-2008. (["Box 53"])(1979-1990, undated)["Maya Art"]. https://collections.library.yale.edu/catalog/2082404.