Delta Air Lines System Timetable 1942 July 18
MLA
Delta Air Corporation. "Delta Air Lines System Timetable 1942 July 18." Delta Flight Museum. 1942-07-18, https://dlg.galileo.usg.edu/do:delta_dal-tt_dal-tt-19420718.
APA
Delta Air Corporation (1942-07-18). Delta Air Lines System Timetable 1942 July 18. Retrieved from https://dlg.galileo.usg.edu/do:delta_dal-tt_dal-tt-19420718
Chicago
Delta Air Corporation. "Delta Air Lines System Timetable 1942 July 18." 1942-07-18. August 5, 2025. https://dlg.galileo.usg.edu/do:delta_dal-tt_dal-tt-19420718.
