MLA

Gould, George, 1807-186, Gould, James, 1770-1838. Manuscript notes of lectures by James Gould, at the Litchfield Law School, taken circa 1830, by George Gould.. [1830?]. https://collections.library.yale.edu/catalog/16131266.

APA, 6th edition

Gould, George, 1807-186, & Gould, James, 1770-1838. ([1830?])[Manuscript notes of lectures by James Gould, at the Litchfield Law School, taken circa 1830, by George Gould.]. https://collections.library.yale.edu/catalog/16131266.