Southern Airways Annual Report 1957
MLA
Southern Airways, Inc.. "Southern Airways Annual Report 1957." Delta Flight Museum. 1958-04-28, https://dlg.galileo.usg.edu/do:delta_sou-ar_sou-ar-1957.
APA
Southern Airways, Inc. (1958-04-28). Southern Airways Annual Report 1957. Retrieved from https://dlg.galileo.usg.edu/do:delta_sou-ar_sou-ar-1957
Chicago
Southern Airways, Inc.. "Southern Airways Annual Report 1957." 1958-04-28. May 24, 2026. https://dlg.galileo.usg.edu/do:delta_sou-ar_sou-ar-1957.
