[Travel diary], 1842 Oct - 1843 Jun.
MLA
[Travel Diary], 1842 Oct - 1843 Jun. 1842. https://collections.library.yale.edu/catalog/17351909.
APA, 6th edition
[Travel diary], 1842 Oct - 1843 Jun. (1842). [Manuscripts]. https://collections.library.yale.edu/catalog/17351909.