MLA

Saarinen, Eero, 1910-1961. Campus views. Box 209, folder 600. undated. https://collections.library.yale.edu/catalog/10017318.

APA, 6th edition

Saarinen, Eero, 1910-1961. (["Box 209, folder 600"])(undated)[Campus views]. https://collections.library.yale.edu/catalog/10017318.