Cite

Papers relating to New York Civil War regiments

MLA

Whitman, Walt, 1819-1892. Papers relating to New York Civil War regiments. Box 1, folder 57-59. 1863-67, n.d.. https://collections.library.yale.edu/catalog/2053691.

APA, 6th edition

Whitman, Walt, 1819-1892. (["Box 1, folder 57-59"])(1863-67, n.d.)[Papers relating to New York Civil War regiments]. https://collections.library.yale.edu/catalog/2053691.