MLA

Haupt, Herman, 1817-1905. Railroad. Box 20, folder 341-342. 1863, 1954, undated. https://collections.library.yale.edu/catalog/10016720.

APA, 6th edition

Haupt, Herman, 1817-1905. (["Box 20, folder 341-342"])(1863, 1954, undated)[Railroad]. https://collections.library.yale.edu/catalog/10016720.