Cite

Charley [last name unknown] (Yale 1894?), Yale student, letters to parents

MLA

Goel, Ravi D. Charley [Last Name Unknown] (Yale 1894?), Yale Student, Letters to Parents. 1891. https://collections.library.yale.edu/catalog/15603851.

APA, 6th edition

Goel, R. D. (1891). Charley [last name unknown] (Yale 1894?), Yale student, letters to parents. https://collections.library.yale.edu/catalog/15603851.