"Hugh Stuart Boyd: Legacies" (sonnet)
MLA
Koch, Frederick R. (Frederick Robinson). "Hugh Stuart Boyd: Legacies" (sonnet). Box 3, folder 69. [ca. 1849]. https://collections.library.yale.edu/catalog/10053943.
APA, 6th edition
Koch, Frederick R. (Frederick Robinson). (["Box 3, folder 69"])([ca. 1849])["Hugh Stuart Boyd: Legacies" (sonnet)]. https://collections.library.yale.edu/catalog/10053943.