Steinberg's diploma from Politecnico di Milano
MLA
Steinberg, Saul, 1914-1999. Steinberg's diploma from Politecnico di Milano. Box 541 (Oversize), folder 7292. 1940 April 16. https://collections.library.yale.edu/catalog/2020242.
APA, 6th edition
Steinberg, Saul, 1914-1999. (["Box 541 (Oversize), folder 7292"])(1940 April 16)[Steinberg's diploma from Politecnico di Milano]. https://collections.library.yale.edu/catalog/2020242.