MLA

Erdoes, Richard, 1912-2008. "John Strike Yuwipi Preparation". Box 70. 1968-1991, undated. https://collections.library.yale.edu/catalog/2094464.

APA, 6th edition

Erdoes, Richard, 1912-2008. (["Box 70"])(1968-1991, undated)["John Strike Yuwipi Preparation"]. https://collections.library.yale.edu/catalog/2094464.