APA (7th ed.) Citation

Akin, W. E. (1991). Global patterns: Climate, vegetation, and soils. University of Oklahoma Press.

Chicago Style (17th ed.) Citation

Akin, Wallace E. Global Patterns: Climate, Vegetation, and Soils. Norman: University of Oklahoma Press, 1991.

MLA (9th ed.) Citation

Akin, Wallace E. Global Patterns: Climate, Vegetation, and Soils. University of Oklahoma Press, 1991.