Cite

[34] [Three ships]

MLA

Pratt, Richard Henry, 1840-1924. [34] [Three ships]. Box 32. 1862-1972. https://collections.library.yale.edu/catalog/2001789.

APA, 6th edition

Pratt, Richard Henry, 1840-1924. (["Box 32"])(1862-1972)[[34] [Three ships]]. https://collections.library.yale.edu/catalog/2001789.