MLA

Saarinen, Eero, 1910-1961. Architectural record sepias. Box 349 | Box 348. undated. https://collections.library.yale.edu/catalog/10061343.

APA, 6th edition

Saarinen, Eero, 1910-1961. (["Box 349 | Box 348"])(undated)[Architectural record sepias]. https://collections.library.yale.edu/catalog/10061343.