APA (7th ed.) Citation

Trewartha, G. T. (1966). The Earth's problem climates. University of Wisconsin Press.

Chicago Style (17th ed.) Citation

Trewartha, Glenn T. The Earth's Problem Climates. Madison: University of Wisconsin Press, 1966.

MLA (9th ed.) Citation

Trewartha, Glenn T. The Earth's Problem Climates. University of Wisconsin Press, 1966.