MLA

Wilfred, Thomas, 1889-1968. Studio: Huntington, New York. Box 12, folder 176. Undated. https://collections.library.yale.edu/catalog/10016727.

APA, 6th edition

Wilfred, Thomas, 1889-1968. (["Box 12, folder 176"])(Undated)[Studio: Huntington, New York]. https://collections.library.yale.edu/catalog/10016727.