Delta Air Lines System Timetable 1943 September 1
MLA
Delta Air Corporation. "Delta Air Lines System Timetable 1943 September 1." Delta Flight Museum. 1943-09-01, https://dlg.galileo.usg.edu/do:delta_dal-tt_dal-tt-19430901.
APA
Delta Air Corporation (1943-09-01). Delta Air Lines System Timetable 1943 September 1. Retrieved from https://dlg.galileo.usg.edu/do:delta_dal-tt_dal-tt-19430901
Chicago
Delta Air Corporation. "Delta Air Lines System Timetable 1943 September 1." 1943-09-01. July 31, 2025. https://dlg.galileo.usg.edu/do:delta_dal-tt_dal-tt-19430901.
