Cite

"Pine Ridge Landscape"

MLA

Erdoes, Richard, 1912-2008. "Pine Ridge Landscape". Box 42. 1971-1977, undated. https://collections.library.yale.edu/catalog/2108494.

APA, 6th edition

Erdoes, Richard, 1912-2008. (["Box 42"])(1971-1977, undated)["Pine Ridge Landscape"]. https://collections.library.yale.edu/catalog/2108494.