MLA

Saarinen, Eero, 1910-1961. Neoprene gasket installation. Box 138, folder 276. undated. https://collections.library.yale.edu/catalog/10017606.

APA, 6th edition

Saarinen, Eero, 1910-1961. (["Box 138, folder 276"])(undated)[Neoprene gasket installation]. https://collections.library.yale.edu/catalog/10017606.