Norton, Robert (and Howard Sturgis)
MLA
Wharton, Edith, 1862-1937. Norton, Robert (and Howard Sturgis). Box 54, folder 1613. 1936. https://collections.library.yale.edu/catalog/16793587.
APA, 6th edition
Wharton, Edith, 1862-1937. (["Box 54, folder 1613"])(1936)[Norton, Robert (and Howard Sturgis)]. https://collections.library.yale.edu/catalog/16793587.