Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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