MLA

H. D. (Hilda Doolittle), 1886-1961. Fourth draft, typescript. Box 44, folder 1125. 1949. https://collections.library.yale.edu/catalog/17064294.

APA, 6th edition

H. D. (Hilda Doolittle), 1886-1961. (["Box 44, folder 1125"])(1949)[Fourth draft, typescript]. https://collections.library.yale.edu/catalog/17064294.