APA (7th ed.) Citation

Morgan, R. P. C. (1979). Soil erosion / (by) R.P.C. Morgan. Longman.

Chicago Style (17th ed.) Citation

Morgan, R. P. C. Soil Erosion / (by) R.P.C. Morgan. London (etc.): Longman, 1979.

MLA (9th ed.) Citation

Morgan, R. P. C. Soil Erosion / (by) R.P.C. Morgan. Longman, 1979.

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