Delta Air Lines System Timetable 1945 September 1
MLA
Delta Air Corporation. "Delta Air Lines System Timetable 1945 September 1." Delta Flight Museum. 1945-09-01, https://dlg.galileo.usg.edu/do:delta_dal-tt_dal-tt-19450901.
APA
Delta Air Corporation (1945-09-01). Delta Air Lines System Timetable 1945 September 1. Retrieved from https://dlg.galileo.usg.edu/do:delta_dal-tt_dal-tt-19450901
Chicago
Delta Air Corporation. "Delta Air Lines System Timetable 1945 September 1." 1945-09-01. May 8, 2026. https://dlg.galileo.usg.edu/do:delta_dal-tt_dal-tt-19450901.
