APA (7th ed.) Citation

Boardman, J. (1990). Soil erosion on agricultural land. Wiley.

Chicago Style (17th ed.) Citation

Boardman, John. Soil Erosion on Agricultural Land. Chichester [u.a.]: Wiley, 1990.

MLA (9th ed.) Citation

Boardman, John. Soil Erosion on Agricultural Land. Wiley, 1990.