Cite

Steam Engine Governor - autograph manuscript notes.

MLA

Gibbs, J. Willard (Josiah Willard), 1839-1903. Steam Engine Governor - autograph manuscript notes.. Box 5, folder 148. undated. https://collections.library.yale.edu/catalog/2020778.

APA, 6th edition

Gibbs, J. Willard (Josiah Willard), 1839-1903. (["Box 5, folder 148"])(undated)[Steam Engine Governor - autograph manuscript notes.]. https://collections.library.yale.edu/catalog/2020778.