MLA

Saarinen, Eero, 1910-1961. Art pieces, installation views. Box 137, folder 265. undated. https://collections.library.yale.edu/catalog/10017581.

APA, 6th edition

Saarinen, Eero, 1910-1961. (["Box 137, folder 265"])(undated)[Art pieces, installation views]. https://collections.library.yale.edu/catalog/10017581.