MLA

Steinberg, Saul, 1914-1999. Passport. Box 78, folder 1638. 1952. https://collections.library.yale.edu/catalog/32457627.

APA, 6th edition

Steinberg, Saul, 1914-1999. (["Box 78, folder 1638"])(1952)[Passport]. https://collections.library.yale.edu/catalog/32457627.