Cita APA (7a ed.)

Trewartha, G. T., & Horn, L. H. (1980). An introduction to climate (5th ed.). McGraw-Hill.

Cita Chicago Style (17a ed.)

Trewartha, Glenn T., y Lyle H. Horn. An Introduction to Climate. 5th ed. New York: McGraw-Hill, 1980.

Cita MLA (8a ed.)

Trewartha, Glenn T., y Lyle H. Horn. An Introduction to Climate. 5th ed. McGraw-Hill, 1980.