Cite

"Pine Ridge Sacred Sun Dance Pole"

MLA

Erdoes, Richard, 1912-2008. "Pine Ridge Sacred Sun Dance Pole". Box 67. 1971-1993, undated. https://collections.library.yale.edu/catalog/2092479.

APA, 6th edition

Erdoes, Richard, 1912-2008. (["Box 67"])(1971-1993, undated)["Pine Ridge Sacred Sun Dance Pole"]. https://collections.library.yale.edu/catalog/2092479.