Cite

Ellsworth Eliot -portraits used as illustrations in his

MLA

Eliot, Ellsworth, 1864-1945. Ellsworth Eliot -portraits used as illustrations in his. Box 1, folder 1. undated. https://collections.library.yale.edu/catalog/10015348.

APA, 6th edition

Eliot, Ellsworth, 1864-1945. (["Box 1, folder 1"])(undated)[Ellsworth Eliot -portraits used as illustrations in his]. https://collections.library.yale.edu/catalog/10015348.