APA (7th ed.) Citation

Morgan, R. P. C. (1990). Soil erosion and conservation (Reprint.). Longman <<[u.a.]>>.

Chicago Style (17th ed.) Citation

Morgan, Royston P. C. Soil Erosion and Conservation. Reprint. Harlow: Longman <<[u.a.]>>, 1990.

MLA (9th ed.) Citation

Morgan, Royston P. C. Soil Erosion and Conservation. Reprint. Longman <<[u.a.]>>, 1990.