APA-Zitierstil (7. Ausg.)

Gregg, W. R. (1919). Free-air data at Broken Arrow, Okla., Drexel, Nebr., Ellendale, N. Dak., Groesbeck, Tex., Leesburg, Ga., and Royal Center, Ind., Aerological Stations: By Willis Ray Gregg. Government Printing Office.

Chicago-Zitierstil (17. Ausg.)

Gregg, Willis Ray. Free-air Data at Broken Arrow, Okla., Drexel, Nebr., Ellendale, N. Dak., Groesbeck, Tex., Leesburg, Ga., and Royal Center, Ind., Aerological Stations: By Willis Ray Gregg. Washington: Government Printing Office, 1919.

MLA-Zitierstil (9. Ausg.)

Gregg, Willis Ray. Free-air Data at Broken Arrow, Okla., Drexel, Nebr., Ellendale, N. Dak., Groesbeck, Tex., Leesburg, Ga., and Royal Center, Ind., Aerological Stations: By Willis Ray Gregg. Government Printing Office, 1919.