H.D.
MLA
Jordan, Viola Baxter, 1887-1973. H.D.. Box 1, folder 44. [1951]. https://collections.library.yale.edu/catalog/2037308.
APA, 6th edition
Jordan, Viola Baxter, 1887-1973. (["Box 1, folder 44"])([1951])[H.D.]. https://collections.library.yale.edu/catalog/2037308.