APA (7th ed.) Citation

Gritzner, J. A. (1988). The West African Sahel: Human agency and environmental change. University of Chicago, Committee on Geographical Studies.

Chicago Style (17th ed.) Citation

Gritzner, Jeffrey A. The West African Sahel: Human Agency and Environmental Change. Chicago, IL: University of Chicago, Committee on Geographical Studies, 1988.

MLA (9th ed.) Citation

Gritzner, Jeffrey A. The West African Sahel: Human Agency and Environmental Change. University of Chicago, Committee on Geographical Studies, 1988.