Envelope to Madame Richard
MLA
Norton, Caroline Sheridan, 1808-1877. Envelope to Madame Richard. Box 2, folder 76. undated. https://collections.library.yale.edu/catalog/16495559.
APA, 6th edition
Norton, Caroline Sheridan, 1808-1877. (["Box 2, folder 76"])(undated)[Envelope to Madame Richard]. https://collections.library.yale.edu/catalog/16495559.