Cita APA (7th ed.)

Heath, E. D., & Cantrell, L. M. (1972). Aircraft icing climatology for the Northern Hemisphere. US Air Weather Service.

Cita Chicago (17th ed.)

Heath, Edward D., i Luther M. Cantrell. Aircraft Icing Climatology for the Northern Hemisphere. Scott AFB: US Air Weather Service, 1972.

Cita MLA (8th ed.)

Heath, Edward D., i Luther M. Cantrell. Aircraft Icing Climatology for the Northern Hemisphere. US Air Weather Service, 1972.