MLA

Saarinen, Eero, 1910-1961. Models. Box 621, folder 1623 - 1624. [1960-1962], undated. https://collections.library.yale.edu/catalog/10017800.

APA, 6th edition

Saarinen, Eero, 1910-1961. (["Box 621, folder 1623 - 1624"])([1960-1962], undated)[Models]. https://collections.library.yale.edu/catalog/10017800.