Delta Air Lines System Timetable 1943 February 1
MLA
Delta Air Corporation. "Delta Air Lines System Timetable 1943 February 1." Delta Flight Museum. 1943-02-01, https://dlg.galileo.usg.edu/do:delta_dal-tt_dal-tt-19430201.
APA
Delta Air Corporation (1943-02-01). Delta Air Lines System Timetable 1943 February 1. Retrieved from https://dlg.galileo.usg.edu/do:delta_dal-tt_dal-tt-19430201
Chicago
Delta Air Corporation. "Delta Air Lines System Timetable 1943 February 1." 1943-02-01. August 30, 2025. https://dlg.galileo.usg.edu/do:delta_dal-tt_dal-tt-19430201.
