Binder #9: Eero Saarinen & Associates: complete company profile
MLA
Saarinen, Eero, 1910-1961. Binder #9: Eero Saarinen & Associates: complete company profile. Box 44, folder 93. undated. https://collections.library.yale.edu/catalog/10019071.
APA, 6th edition
Saarinen, Eero, 1910-1961. (["Box 44, folder 93"])(undated)[Binder #9: Eero Saarinen & Associates: complete company profile]. https://collections.library.yale.edu/catalog/10019071.