Cite

"Aztec Ruin Colorado Long"

MLA

Erdoes, Richard, 1912-2008. "Aztec Ruin Colorado Long". Box 48. undated. https://collections.library.yale.edu/catalog/2079577.

APA, 6th edition

Erdoes, Richard, 1912-2008. (["Box 48"])(undated)["Aztec Ruin Colorado Long"]. https://collections.library.yale.edu/catalog/2079577.