Cite

Mars, Ethel

MLA

Stein, Gertrude, 1874-1946. Mars, Ethel. Box 116, folder 2442. n.d.. https://collections.library.yale.edu/catalog/17105755.

APA, 6th edition

Stein, Gertrude, 1874-1946. (["Box 116, folder 2442"])(n.d.)[Mars, Ethel]. https://collections.library.yale.edu/catalog/17105755.