APA (7th ed.) Citation

Trewartha, G. T. (1961). The earth's problem climates.

Chicago Style (17th ed.) Citation

Trewartha, Glenn Thomas. The Earth's Problem Climates. 1961.

MLA (9th ed.) Citation

Trewartha, Glenn Thomas. The Earth's Problem Climates. 1961.

Warning: These citations may not always be 100% accurate.