APA (7th ed.) Citation

Trewartha, G. T. (1968). An introduction to climate (4th ed.). McGraw-Hill.

Chicago Style (17th ed.) Citation

Trewartha, Glenn Thomas. An Introduction to Climate. 4th ed. New York: McGraw-Hill, 1968.

MLA (9th ed.) Citation

Trewartha, Glenn Thomas. An Introduction to Climate. 4th ed. McGraw-Hill, 1968.