Critchfield, H. J. (2015). General Climatology (4th ed.). Pushp Print services.
Cita Chicago (17th ed.)Critchfield, H. J. General Climatology. 4th ed. India: Pushp Print services, 2015.
Cita MLA (9th ed.)Critchfield, H. J. General Climatology. 4th ed. Pushp Print services, 2015.
Atenció: Aquestes cites poden no estar 100% correctes.