MLA

Saarinen, Eero, 1910-1961. Exterior rendering. folder 688B | folder 688C. undated. https://collections.library.yale.edu/catalog/10020182.

APA, 6th edition

Saarinen, Eero, 1910-1961. (["folder 688B | folder 688C"])(undated)[Exterior rendering]. https://collections.library.yale.edu/catalog/10020182.