Delta Air Lines System Timetable February 1, 1985
MLA
Delta Air Lines, Inc.. "Delta Air Lines System Timetable February 1, 1985." Delta Flight Museum. 1985-02-01, https://dlg.galileo.usg.edu/do:delta_dal-tt_dal-tt-19850201.
APA
Delta Air Lines, Inc. (1985-02-01). Delta Air Lines System Timetable February 1, 1985. Retrieved from https://dlg.galileo.usg.edu/do:delta_dal-tt_dal-tt-19850201
Chicago
Delta Air Lines, Inc.. "Delta Air Lines System Timetable February 1, 1985." 1985-02-01. May 1, 2026. https://dlg.galileo.usg.edu/do:delta_dal-tt_dal-tt-19850201.
