MLA

Erdoes, Richard, 1912-2008. Soldiers. Box 46 | Plains Indian History II. 1976. https://collections.library.yale.edu/catalog/2077956.

APA, 6th edition

Erdoes, Richard, 1912-2008. (["Box 46 | Plains Indian History II"])(1976)[Soldiers]. https://collections.library.yale.edu/catalog/2077956.