MLA

Saarinen, Eero, 1910-1961. Exteriors. Box 373, folder 1030. 1959-1962. https://collections.library.yale.edu/catalog/10012611.

APA, 6th edition

Saarinen, Eero, 1910-1961. (["Box 373, folder 1030"])(1959-1962)[Exteriors]. https://collections.library.yale.edu/catalog/10012611.