Letter to T. J. Cobden-Sanderson
MLA
De Morgan, William, 1839-1917. Letter to T. J. Cobden-Sanderson. Box 1, folder 2. 1906 Oct 8. https://collections.library.yale.edu/catalog/17467670.
APA, 6th edition
De Morgan, William, 1839-1917. (["Box 1, folder 2"])(1906 Oct 8)[Letter to T. J. Cobden-Sanderson]. https://collections.library.yale.edu/catalog/17467670.