"Canada--The Recent Smallpox Epidemic In Montreal--Vaccinating American-Bound Passengers On A Train of the Grand Trunk Railway."
MLA
Hansen, Bert, 1944-. "Canada--The Recent Smallpox Epidemic In Montreal--Vaccinating American-Bound Passengers On A Train of the Grand Trunk Railway.". Box 2, folder 29. 1885 December 26. https://collections.library.yale.edu/catalog/32332473.
APA, 6th edition
Hansen, Bert, 1944-. (["Box 2, folder 29"])(1885 December 26)["Canada--The Recent Smallpox Epidemic In Montreal--Vaccinating American-Bound Passengers On A Train of the Grand Trunk Railway."]. https://collections.library.yale.edu/catalog/32332473.
