Typescript carbon, corrected, entitled Les Trois Violettes
MLA
Trefusis, Violet, 1894-1972. Typescript carbon, corrected, entitled Les Trois Violettes. Box 2, folder 41-45. n.d.. https://collections.library.yale.edu/catalog/16538056.
APA, 6th edition
Trefusis, Violet, 1894-1972. (["Box 2, folder 41-45"])(n.d.)[Typescript carbon, corrected, entitled Les Trois Violettes]. https://collections.library.yale.edu/catalog/16538056.