MLA

Saarinen, Eero, 1910-1961. Models. Box 88, folder 176. 1947-1950. https://collections.library.yale.edu/catalog/10017098.

APA, 6th edition

Saarinen, Eero, 1910-1961. (["Box 88, folder 176"])(1947-1950)[Models]. https://collections.library.yale.edu/catalog/10017098.