MLA

Richardson, Dorothy M. (Dorothy Miller), 1873-1957. Odle, Alan. Box 6, folder 94. n.d.. https://collections.library.yale.edu/catalog/33436473.

APA, 6th edition

Richardson, Dorothy M. (Dorothy Miller), 1873-1957. (["Box 6, folder 94"])(n.d.)[Odle, Alan]. https://collections.library.yale.edu/catalog/33436473.