"Switchmen at Loggerheads--Will There be Another Smash-Up?"
MLA
Hansen, Bert, 1944-. "Switchmen at Loggerheads--Will There be Another Smash-Up?". Box 11, folder 10. 1883 June 13. https://collections.library.yale.edu/catalog/32326746.
APA, 6th edition
Hansen, Bert, 1944-. (["Box 11, folder 10"])(1883 June 13)["Switchmen at Loggerheads--Will There be Another Smash-Up?"]. https://collections.library.yale.edu/catalog/32326746.