MLA

Saarinen, Eero, 1910-1961. Exterior renderings. Box 82, folder 129. undated. https://collections.library.yale.edu/catalog/10017025.

APA, 6th edition

Saarinen, Eero, 1910-1961. (["Box 82, folder 129"])(undated)[Exterior renderings]. https://collections.library.yale.edu/catalog/10017025.