MLA

Saarinen, Eero, 1910-1961. Construction. Box 265, folder 838 - 839. 1960-1961, undated. https://collections.library.yale.edu/catalog/10017126.

APA, 6th edition

Saarinen, Eero, 1910-1961. (["Box 265, folder 838 - 839"])(1960-1961, undated)[Construction]. https://collections.library.yale.edu/catalog/10017126.