Early Plains Life
MLA
Erdoes, Richard, 1912-2008. Early Plains Life. Box 45 | Plains Indian History I. 1970-1976, undated. https://collections.library.yale.edu/catalog/10255911.
APA, 6th edition
Erdoes, Richard, 1912-2008. (["Box 45 | Plains Indian History I"])(1970-1976, undated)[Early Plains Life]. https://collections.library.yale.edu/catalog/10255911.