MLA

Saarinen, Eero, 1910-1961. Plans. Box 163, folder 486. [1953]. https://collections.library.yale.edu/catalog/10017436.

APA, 6th edition

Saarinen, Eero, 1910-1961. (["Box 163, folder 486"])([1953])[Plans]. https://collections.library.yale.edu/catalog/10017436.