Parking plan
MLA
Saarinen, Eero, 1910-1961. Parking plan. Box 102, folder 218. undated. https://collections.library.yale.edu/catalog/10016886.
APA, 6th edition
Saarinen, Eero, 1910-1961. (["Box 102, folder 218"])(undated)[Parking plan]. https://collections.library.yale.edu/catalog/10016886.