Cite

"Sundance Pine Ridge Parade 1972"

MLA

Erdoes, Richard, 1912-2008. "Sundance Pine Ridge Parade 1972". Box 67. 1971-1972, undated. https://collections.library.yale.edu/catalog/2092406.

APA, 6th edition

Erdoes, Richard, 1912-2008. (["Box 67"])(1971-1972, undated)["Sundance Pine Ridge Parade 1972"]. https://collections.library.yale.edu/catalog/2092406.