MLA

H. D. (Hilda Doolittle), 1886-1961. Horoscopes, miscellaneous. Box 47, folder 1176-78. 1953-59. https://collections.library.yale.edu/catalog/2065211.

APA, 6th edition

H. D. (Hilda Doolittle), 1886-1961. (["Box 47, folder 1176-78"])(1953-59)[Horoscopes, miscellaneous]. https://collections.library.yale.edu/catalog/2065211.