MLA

Pomeroy, Benjamin, 1787-1855, author. Manuscript notes of lectures by Sylvester Gilbert at his law school in Hebron, Connecticut. [1811?]. https://collections.library.yale.edu/catalog/33333982.

APA, 6th edition

Pomeroy, Benjamin, 1787-1855, author. ([1811?])[Manuscript notes of lectures by Sylvester Gilbert at his law school in Hebron, Connecticut]. https://collections.library.yale.edu/catalog/33333982.