Cite

(10) Camp en route to railroad

MLA

Pratt, Richard Henry, 1840-1924. (10) Camp en route to railroad. Box 31. 1862-1972. https://collections.library.yale.edu/catalog/2001765.

APA, 6th edition

Pratt, Richard Henry, 1840-1924. (["Box 31"])(1862-1972)[(10) Camp en route to railroad]. https://collections.library.yale.edu/catalog/2001765.