Cite

"Trading Posts"

MLA

Erdoes, Richard, 1912-2008. "Trading Posts". Box 64. 1975-1978, undated. https://collections.library.yale.edu/catalog/2090285.

APA, 6th edition

Erdoes, Richard, 1912-2008. (["Box 64"])(1975-1978, undated)["Trading Posts"]. https://collections.library.yale.edu/catalog/2090285.