Cite

"Cousin Molly": ALS to "Lutey"

MLA

Robinson, Henry Cornelius, 1832-1900. "Cousin Molly": ALS to "Lutey". Box 1, folder 6. undated. https://collections.library.yale.edu/catalog/32534805.

APA, 6th edition

Robinson, Henry Cornelius, 1832-1900. (["Box 1, folder 6"])(undated)["Cousin Molly": ALS to "Lutey"]. https://collections.library.yale.edu/catalog/32534805.