Delta Air Lines Schedule and Fares 1935 July 1
MLA
Delta Air Corporation. "Delta Air Lines Schedule and Fares 1935 July 1." Delta Flight Museum. 1935-07-01, https://dlg.galileo.usg.edu/do:delta_dal-tt_dal-tt-19350701.
APA
Delta Air Corporation (1935-07-01). Delta Air Lines Schedule and Fares 1935 July 1. Retrieved from https://dlg.galileo.usg.edu/do:delta_dal-tt_dal-tt-19350701
Chicago
Delta Air Corporation. "Delta Air Lines Schedule and Fares 1935 July 1." 1935-07-01. May 10, 2026. https://dlg.galileo.usg.edu/do:delta_dal-tt_dal-tt-19350701.
