MLA

Murphy, Gerald, 1888-1964. Sara, Gerald, Honoria, Lloyd Lowndes, Marion Lowndes, and Susan Lowndes, Sneden's Landing, New York. Box 33, folder 645. circa 1949. https://collections.library.yale.edu/catalog/10960840.

APA, 6th edition

Murphy, Gerald, 1888-1964. (["Box 33, folder 645"])(circa 1949)[Sara, Gerald, Honoria, Lloyd Lowndes, Marion Lowndes, and Susan Lowndes, Sneden's Landing, New York]. https://collections.library.yale.edu/catalog/10960840.