Delta Air Lines System Timetable 1941 May 10
MLA
Delta Air Corporation. "Delta Air Lines System Timetable 1941 May 10." Delta Flight Museum. 1941-05-10, https://dlg.galileo.usg.edu/do:delta_dal-tt_dal-tt-19410510.
APA
Delta Air Corporation (1941-05-10). Delta Air Lines System Timetable 1941 May 10. Retrieved from https://dlg.galileo.usg.edu/do:delta_dal-tt_dal-tt-19410510
Chicago
Delta Air Corporation. "Delta Air Lines System Timetable 1941 May 10." 1941-05-10. August 5, 2025. https://dlg.galileo.usg.edu/do:delta_dal-tt_dal-tt-19410510.
