Cite

"Wounded Knee Sun Dance 1971 Preparation"

MLA

Erdoes, Richard, 1912-2008. "Wounded Knee Sun Dance 1971 Preparation". Box 67. 1971, undated. https://collections.library.yale.edu/catalog/2092864.

APA, 6th edition

Erdoes, Richard, 1912-2008. (["Box 67"])(1971, undated)["Wounded Knee Sun Dance 1971 Preparation"]. https://collections.library.yale.edu/catalog/2092864.