MLA

Steinberg, Saul, 1914-1999. Portraits Aldo 1980. Box 360, folder 4848. 1980. https://collections.library.yale.edu/catalog/2016851.

APA, 6th edition

Steinberg, Saul, 1914-1999. (["Box 360, folder 4848"])(1980)[Portraits Aldo 1980]. https://collections.library.yale.edu/catalog/2016851.