Cite

"Fort Union"

MLA

Erdoes, Richard, 1912-2008. "Fort Union". Box 84. 1987-1989. https://collections.library.yale.edu/catalog/2104629.

APA, 6th edition

Erdoes, Richard, 1912-2008. (["Box 84"])(1987-1989)["Fort Union"]. https://collections.library.yale.edu/catalog/2104629.