Trumbull, Annie, 20 autograph letters signed
MLA
Clemens, Samuel Langhorne, 1835-1910. Trumbull, Annie, 20 autograph letters signed. Box 2. 1885-1903. https://collections.library.yale.edu/catalog/16227506.
APA, 6th edition
Clemens, Samuel Langhorne, 1835-1910. (["Box 2"])(1885-1903)[Trumbull, Annie, 20 autograph letters signed]. https://collections.library.yale.edu/catalog/16227506.