APA (7th ed.) Citation

Boardman, J. (1990). Soil erosion on agricultural land: [papers presented during a Workshop on Soil Erosion on Agricultural Land ... in 1989]. Wiley.

Chicago Style (17th ed.) Citation

Boardman, John. Soil Erosion on Agricultural Land: [papers Presented During a Workshop on Soil Erosion on Agricultural Land ... in 1989]. Chichester <<[u.a.]>>: Wiley, 1990.

MLA (9th ed.) Citation

Boardman, John. Soil Erosion on Agricultural Land: [papers Presented During a Workshop on Soil Erosion on Agricultural Land ... in 1989]. Wiley, 1990.