Delta Air Lines System Timetable 1941 February 2
MLA
Delta Air Corporation. "Delta Air Lines System Timetable 1941 February 2." Delta Flight Museum. 1941-02-02, https://dlg.galileo.usg.edu/do:delta_dal-tt_dal-tt-19410202.
APA
Delta Air Corporation (1941-02-02). Delta Air Lines System Timetable 1941 February 2. Retrieved from https://dlg.galileo.usg.edu/do:delta_dal-tt_dal-tt-19410202
Chicago
Delta Air Corporation. "Delta Air Lines System Timetable 1941 February 2." 1941-02-02. May 9, 2026. https://dlg.galileo.usg.edu/do:delta_dal-tt_dal-tt-19410202.
