APA (7th ed.) Citation

Lal, R. (2004). Soil degradation in the United States: Extent, severity, and trends. Lewis Publishers.

Chicago Style (17th ed.) Citation

Lal, R. Soil Degradation in the United States: Extent, Severity, and Trends. Boca Raton, Fla.: Lewis Publishers, 2004.

MLA (9th ed.) Citation

Lal, R. Soil Degradation in the United States: Extent, Severity, and Trends. Lewis Publishers, 2004.

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