MLA

Saarinen, Eero, 1910-1961. Construction. Box 62, folder 64. 1940. https://collections.library.yale.edu/catalog/10017377.

APA, 6th edition

Saarinen, Eero, 1910-1961. (["Box 62, folder 64"])(1940)[Construction]. https://collections.library.yale.edu/catalog/10017377.