APA (7th ed.) Citation

Boardman, J., & Poesen, J. (2006). Soil erosion in Europe. Chichester, England : Wiley.

Chicago Style (17th ed.) Citation

Boardman, John, and Jean Poesen. Soil Erosion in Europe. Chichester, England : Wiley, 2006.

MLA (9th ed.) Citation

Boardman, John, and Jean Poesen. Soil Erosion in Europe. Chichester, England : Wiley, 2006.

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