Cite

"Black Hills Plants, Flowers"

MLA

Erdoes, Richard, 1912-2008. "Black Hills Plants, Flowers". Box 87. 1966-1977, undated. https://collections.library.yale.edu/catalog/2106709.

APA, 6th edition

Erdoes, Richard, 1912-2008. (["Box 87"])(1966-1977, undated)["Black Hills Plants, Flowers"]. https://collections.library.yale.edu/catalog/2106709.