MLA

Marryat, Florence, 1833-1899. Other letters to Florence Marryat. Box 1, folder 10. 1859-1897. https://collections.library.yale.edu/catalog/16626852.

APA, 6th edition

Marryat, Florence, 1833-1899. (["Box 1, folder 10"])(1859-1897)[Other letters to Florence Marryat]. https://collections.library.yale.edu/catalog/16626852.