MLA

Saarinen, Eero, 1910-1961. Renderings, sketches, floor plan. Box 88, folder 171. 1949-1950, undated. https://collections.library.yale.edu/catalog/10020807.

APA, 6th edition

Saarinen, Eero, 1910-1961. (["Box 88, folder 171"])(1949-1950, undated)[Renderings, sketches, floor plan]. https://collections.library.yale.edu/catalog/10020807.