APA (7th ed.) Citation

Gaby, D. C. (1975). Atlantic tropical cyclone classifications for 1974. NOAA.

Chicago Style (17th ed.) Citation

Gaby, Donald C. Atlantic Tropical Cyclone Classifications for 1974. Washington, D.C.: NOAA, 1975.

MLA (8th ed.) Citation

Gaby, Donald C. Atlantic Tropical Cyclone Classifications for 1974. NOAA, 1975.