MLA

Fisher, Alexander Metcalf, 1794-1822. Manuscript volume "Miscellaneous articles relating to the history, character & death of Prof. Fisher". Box 9, folder 143. undated. https://collections.library.yale.edu/catalog/2047057.

APA, 6th edition

Fisher, Alexander Metcalf, 1794-1822. (["Box 9, folder 143"])(undated)[Manuscript volume "Miscellaneous articles relating to the history, character & death of Prof. Fisher"]. https://collections.library.yale.edu/catalog/2047057.