Rail Laying Crew, Penn-Central Railroad. Near Cresson, Pennsylvania (875-327)
MLA
Plowden, David. Rail Laying Crew, Penn-Central Railroad. Near Cresson, Pennsylvania (875-327). 1975. https://collections.library.yale.edu/catalog/2041797.
APA, 6th edition
Plowden, D. (1975). Rail Laying Crew, Penn-Central Railroad. Near Cresson, Pennsylvania (875-327). https://collections.library.yale.edu/catalog/2041797.