MLA

Deeker, James. Journal, 1770. 0AD. https://collections.library.yale.edu/catalog/33104686.

APA, 6th edition

Deeker, J. (0 C.E.). Journal, 1770 [Early works to 1800, Original art, Diaries, Maps (documents), Pen and wash drawings]. https://collections.library.yale.edu/catalog/33104686.