APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

Trewartha, Glenn T. The Earth's Problem Climates / by G.T. Trewartha. Methuen, 1961.

MLA (9th ed.) Citation

Trewartha, Glenn T. The Earth's Problem Climates / by G.T. Trewartha. Methuen, 1961.

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