MLA

Erdoes, Richard, 1912-2008. Copper & Mica Artifacts. Box 53 | Prehistory; Mound Builders. 1980-1997, undated. https://collections.library.yale.edu/catalog/2082815.

APA, 6th edition

Erdoes, Richard, 1912-2008. (["Box 53 | Prehistory; Mound Builders"])(1980-1997, undated)[Copper & Mica Artifacts]. https://collections.library.yale.edu/catalog/2082815.