Delta Air Lines System Timetable 1958 September 1
MLA
Delta Air Lines, Inc.. "Delta Air Lines System Timetable 1958 September 1." Delta Flight Museum. 1958-09-01, https://dlg.galileo.usg.edu/do:delta_dal-tt_dal-tt-19580901.
APA
Delta Air Lines, Inc. (1958-09-01). Delta Air Lines System Timetable 1958 September 1. Retrieved from https://dlg.galileo.usg.edu/do:delta_dal-tt_dal-tt-19580901
Chicago
Delta Air Lines, Inc.. "Delta Air Lines System Timetable 1958 September 1." 1958-09-01. April 30, 2026. https://dlg.galileo.usg.edu/do:delta_dal-tt_dal-tt-19580901.
