MLA

Dreier, Katherine S. (Katherine Sophie), 1877-1952. International Exhibition of Modern Art (1926-1927: Brooklyn Museum) catalog cover, pencil and paint drawing. Box 76, folder 1956. n.d.. https://collections.library.yale.edu/catalog/2003479.

APA, 6th edition

Dreier, Katherine S. (Katherine Sophie), 1877-1952. (["Box 76, folder 1956"])(n.d.)[International Exhibition of Modern Art (1926-1927: Brooklyn Museum) catalog cover, pencil and paint drawing]. https://collections.library.yale.edu/catalog/2003479.