Delta Air Lines System Timetable 1942 October 1
MLA
Delta Air Corporation. "Delta Air Lines System Timetable 1942 October 1." Delta Flight Museum. 1942-10-01, https://dlg.galileo.usg.edu/do:delta_dal-tt_dal-tt-19421001.
APA
Delta Air Corporation (1942-10-01). Delta Air Lines System Timetable 1942 October 1. Retrieved from https://dlg.galileo.usg.edu/do:delta_dal-tt_dal-tt-19421001
Chicago
Delta Air Corporation. "Delta Air Lines System Timetable 1942 October 1." 1942-10-01. May 22, 2026. https://dlg.galileo.usg.edu/do:delta_dal-tt_dal-tt-19421001.
