APA (7th ed.) Citation

Trewartha, G. (1962). The earth's problem climates. The University of Wisconsin.

Chicago Style (17th ed.) Citation

Trewartha, G.T. The Earth's Problem Climates. Madison: The University of Wisconsin, 1962.

MLA (9th ed.) Citation

Trewartha, G.T. The Earth's Problem Climates. The University of Wisconsin, 1962.