MLA

Wilfred, Thomas, 1889-1968. Art Institute of Light. Box 5, folder 79-83. 1938-1966. https://collections.library.yale.edu/catalog/10015229.

APA, 6th edition

Wilfred, Thomas, 1889-1968. (["Box 5, folder 79-83"])(1938-1966)[Art Institute of Light]. https://collections.library.yale.edu/catalog/10015229.