Cite

Letter: to his mother, Mrs. Mary Montgomery

MLA

Montgomery, John Elliott, 1830-1846. Letter: to his mother, Mrs. Mary Montgomery. 1846 July 25. https://collections.library.yale.edu/catalog/10742777.

APA, 6th edition

Montgomery, John Elliott, 1830-1846. (1846 July 25)[Letter: to his mother, Mrs. Mary Montgomery]. https://collections.library.yale.edu/catalog/10742777.