MLA

Williams, William Carlos, 1883-1963. Passport photograph. Box 70, folder 1458. 1921. https://collections.library.yale.edu/catalog/2044328.

APA, 6th edition

Williams, William Carlos, 1883-1963. (["Box 70, folder 1458"])(1921)[Passport photograph]. https://collections.library.yale.edu/catalog/2044328.