Cite

Indian Steps, Museum Penna, Games

MLA

Erdoes, Richard, 1912-2008. Indian Steps, Museum Penna, Games. Box 46 | Plains Indian History II. 1986, undated. https://collections.library.yale.edu/catalog/2077800.

APA, 6th edition

Erdoes, Richard, 1912-2008. (["Box 46 | Plains Indian History II"])(1986, undated)[Indian Steps, Museum Penna, Games]. https://collections.library.yale.edu/catalog/2077800.