MLA

Bartlett, Henrietta C. (Henrietta Collins), 1873-1963. Hyde, Mary Morley Crapo. Box 2, folder 119. 1941-48. https://collections.library.yale.edu/catalog/17341675.

APA, 6th edition

Bartlett, Henrietta C. (Henrietta Collins), 1873-1963. (["Box 2, folder 119"])(1941-48)[Hyde, Mary Morley Crapo]. https://collections.library.yale.edu/catalog/17341675.