MLA

Saarinen, Eero, 1910-1961. Presentation brochure images. Box 83, folder 144. 1947. https://collections.library.yale.edu/catalog/10017431.

APA, 6th edition

Saarinen, Eero, 1910-1961. (["Box 83, folder 144"])(1947)[Presentation brochure images]. https://collections.library.yale.edu/catalog/10017431.