Delta Air Lines System Timetable 1950 August 1
MLA
Delta Air Lines, Inc.. "Delta Air Lines System Timetable 1950 August 1." Delta Flight Museum. 1950-08-01, https://dlg.galileo.usg.edu/do:delta_dal-tt_dal-tt-19500801.
APA
Delta Air Lines, Inc. (1950-08-01). Delta Air Lines System Timetable 1950 August 1. Retrieved from https://dlg.galileo.usg.edu/do:delta_dal-tt_dal-tt-19500801
Chicago
Delta Air Lines, Inc.. "Delta Air Lines System Timetable 1950 August 1." 1950-08-01. April 30, 2026. https://dlg.galileo.usg.edu/do:delta_dal-tt_dal-tt-19500801.
