Chicago and Southern Air Lines Annual Report 1949
MLA
Chicago and Southern Air Lines. "Chicago and Southern Air Lines Annual Report 1949." Delta Flight Museum. 1950-03-10, https://dlg.galileo.usg.edu/do:delta_csa-ar_csa-ar-1949.
APA
Chicago and Southern Air Lines (1950-03-10). Chicago and Southern Air Lines Annual Report 1949. Retrieved from https://dlg.galileo.usg.edu/do:delta_csa-ar_csa-ar-1949
Chicago
Chicago and Southern Air Lines. "Chicago and Southern Air Lines Annual Report 1949." 1950-03-10. April 23, 2026. https://dlg.galileo.usg.edu/do:delta_csa-ar_csa-ar-1949.
