MLA

Saarinen, Eero, 1910-1961. Interiors. Box 62, folder 56. 1941-1942. https://collections.library.yale.edu/catalog/10016926.

APA, 6th edition

Saarinen, Eero, 1910-1961. (["Box 62, folder 56"])(1941-1942)[Interiors]. https://collections.library.yale.edu/catalog/10016926.