United States. Works Progress Administration. (1937). America Spreads her Wings; Airports and Airways Built and Improved by the Jobless Under the Federal Works Program. [s.n.].
Chicago Style (17th ed.) CitationUnited States. Works Progress Administration. America Spreads Her Wings; Airports and Airways Built and Improved by the Jobless Under the Federal Works Program. [Washington]: [s.n.], 1937.
MLA (9th ed.) CitationUnited States. Works Progress Administration. America Spreads Her Wings; Airports and Airways Built and Improved by the Jobless Under the Federal Works Program. [s.n.], 1937.
Warning: These citations may not always be 100% accurate.