MLA

Wilfred, Thomas, 1889-1968. General information. Box 13, folder 182-183. 1918-1967. https://collections.library.yale.edu/catalog/10015945.

APA, 6th edition

Wilfred, Thomas, 1889-1968. (["Box 13, folder 182-183"])(1918-1967)[General information]. https://collections.library.yale.edu/catalog/10015945.