Cite

Shapiro, Karl Jay

MLA

Williams, William Carlos, 1883-1963. Shapiro, Karl Jay. Box 21, folder 675. 1946-1960, undated. https://collections.library.yale.edu/catalog/17049546.

APA, 6th edition

Williams, William Carlos, 1883-1963. (["Box 21, folder 675"])(1946-1960, undated)[Shapiro, Karl Jay]. https://collections.library.yale.edu/catalog/17049546.