Contract III: Architectural mylars and sepia revisions
MLA
Saarinen, Eero, 1910-1961. Contract III: Architectural mylars and sepia revisions. Box 427. undated. https://collections.library.yale.edu/catalog/32218721.
APA, 6th edition
Saarinen, Eero, 1910-1961. (["Box 427"])(undated)[Contract III: Architectural mylars and sepia revisions]. https://collections.library.yale.edu/catalog/32218721.