MLA

Steinberg, Saul, 1914-1999. Cartier-Bresson, Henri, 1908-2004. Box 10, folder 169-171 | Box 405, folder 5357. 1954-1993, undated. https://collections.library.yale.edu/catalog/10059111.

APA, 6th edition

Steinberg, Saul, 1914-1999. (["Box 10, folder 169-171 | Box 405, folder 5357"])(1954-1993, undated)[Cartier-Bresson, Henri, 1908-2004]. https://collections.library.yale.edu/catalog/10059111.