MLA

Saarinen, Eero, 1910-1961. Renderings; city. Box 59, folder 44. undated. https://collections.library.yale.edu/catalog/10016930.

APA, 6th edition

Saarinen, Eero, 1910-1961. (["Box 59, folder 44"])(undated)[Renderings; city]. https://collections.library.yale.edu/catalog/10016930.