APA (7th ed.) Citation

Little, C. E. (1987). Green fields forever: The conservation tillage revolution in America. Island Press.

Chicago Style (17th ed.) Citation

Little, Charles E. Green Fields Forever: The Conservation Tillage Revolution in America. Washington, D.C.: Island Press, 1987.

MLA (9th ed.) Citation

Little, Charles E. Green Fields Forever: The Conservation Tillage Revolution in America. Island Press, 1987.