Cite

ALS to [Alexis Francois] Rio, [London]

MLA

Norton, Caroline Sheridan, 1808-1877. ALS to [Alexis Francois] Rio, [London]. Box 1, folder 24. undated. https://collections.library.yale.edu/catalog/16495521.

APA, 6th edition

Norton, Caroline Sheridan, 1808-1877. (["Box 1, folder 24"])(undated)[ALS to [Alexis Francois] Rio, [London]]. https://collections.library.yale.edu/catalog/16495521.