MLA

H. D. (Hilda Doolittle), 1886-1961. Hirslanden [Journal], holograph. Box 43, folder 1106-09. 1957-60. https://collections.library.yale.edu/catalog/2110541.

APA, 6th edition

H. D. (Hilda Doolittle), 1886-1961. (["Box 43, folder 1106-09"])(1957-60)[Hirslanden [Journal], holograph]. https://collections.library.yale.edu/catalog/2110541.