Delta Air Lines System Timetable 1945 April 15
MLA
Delta Air Corporation. "Delta Air Lines System Timetable 1945 April 15." Delta Flight Museum. 1945-04-15, https://dlg.galileo.usg.edu/do:delta_dal-tt_dal-tt-19450415.
APA
Delta Air Corporation (1945-04-15). Delta Air Lines System Timetable 1945 April 15. Retrieved from https://dlg.galileo.usg.edu/do:delta_dal-tt_dal-tt-19450415
Chicago
Delta Air Corporation. "Delta Air Lines System Timetable 1945 April 15." 1945-04-15. May 2, 2026. https://dlg.galileo.usg.edu/do:delta_dal-tt_dal-tt-19450415.
