Southern Airways Annual Report 1956
MLA
Southern Airways, Inc.. "Southern Airways Annual Report 1956." Delta Flight Museum. 1957-04-23, https://dlg.galileo.usg.edu/do:delta_sou-ar_sou-ar-1956.
APA
Southern Airways, Inc. (1957-04-23). Southern Airways Annual Report 1956. Retrieved from https://dlg.galileo.usg.edu/do:delta_sou-ar_sou-ar-1956
Chicago
Southern Airways, Inc.. "Southern Airways Annual Report 1956." 1957-04-23. May 24, 2026. https://dlg.galileo.usg.edu/do:delta_sou-ar_sou-ar-1956.
