Cite

"Hooping Up", Train Orders to Conductor, Baltimore Ohio Railroad. Harper's Ferry, West Virginia (HF-1961)

MLA

Plowden, David. "Hooping Up", Train Orders to Conductor, Baltimore Ohio Railroad. Harper's Ferry, West Virginia (HF-1961). 1961. https://collections.library.yale.edu/catalog/2041808.

APA, 6th edition

Plowden, D. (1961). "Hooping Up", Train Orders to Conductor, Baltimore Ohio Railroad. Harper's Ferry, West Virginia (HF-1961). https://collections.library.yale.edu/catalog/2041808.