Cite

Forman, H. Buxton (Harry Buxton) to "J. Davy & Sons"

MLA

Whitman, Walt, 1819-1892. Forman, H. Buxton (Harry Buxton) to "J. Davy & Sons". Box 2, folder 96. 1885 Jun 19. https://collections.library.yale.edu/catalog/2053730.

APA, 6th edition

Whitman, Walt, 1819-1892. (["Box 2, folder 96"])(1885 Jun 19)[Forman, H. Buxton (Harry Buxton) to "J. Davy & Sons"]. https://collections.library.yale.edu/catalog/2053730.