Seligman, Sybil
MLA
Book, Beinecke Rare, and Manuscript Library. Seligman, Sybil. 1919. https://collections.library.yale.edu/catalog/16101619.
APA, 6th edition
Book, B. R., & Library, M. (1919). Seligman, Sybil. https://collections.library.yale.edu/catalog/16101619.