MLA

Wesley, Dorothy Porter, 1905-1995. Partington, Paul. Box 57, folder 520-522. 1961 1991. https://collections.library.yale.edu/catalog/31961334.

APA, 6th edition

Wesley, Dorothy Porter, 1905-1995. (["Box 57, folder 520-522"])(1961 1991)[Partington, Paul]. https://collections.library.yale.edu/catalog/31961334.