Keetseel [i.e. Kiet Siel] Betatakin
MLA
Bradshaw, Bob, Erdoes, Richard, 1912-2008. Keetseel [i.e. Kiet Siel] Betatakin. Box 48 | Anasazi Ruins, Arizona, Colorado, included: Tonto, Montezuma, Mesa Verde, Aztec. 1977-1980, undated. https://collections.library.yale.edu/catalog/2079244.
APA, 6th edition
Bradshaw, Bob, & Erdoes, Richard, 1912-2008. (["Box 48 | Anasazi Ruins, Arizona, Colorado, included: Tonto, Montezuma, Mesa Verde, Aztec"])(1977-1980, undated)[Keetseel [i.e. Kiet Siel] Betatakin]. https://collections.library.yale.edu/catalog/2079244.