Cite

Stella, Joseph; Stella, Helen

MLA

Dreier, Katherine S. (Katherine Sophie), 1877-1952. Stella, Joseph; Stella, Helen. Box 33, folder 967-968. 1920-1946, undated. https://collections.library.yale.edu/catalog/2014490.

APA, 6th edition

Dreier, Katherine S. (Katherine Sophie), 1877-1952. (["Box 33, folder 967-968"])(1920-1946, undated)[Stella, Joseph; Stella, Helen]. https://collections.library.yale.edu/catalog/2014490.