APA (7th ed.) Citation

Morgan, R. P. C. (1986). Soil erosion and conservation (Rev. and enl. ed.). Longman <<[u.a.]>>.

Chicago Style (17th ed.) Citation

Morgan, Royston P. C. Soil Erosion and Conservation. Rev. and enl. ed. Harlow: Longman <<[u.a.]>>, 1986.

MLA (9th ed.) Citation

Morgan, Royston P. C. Soil Erosion and Conservation. Rev. and enl. ed. Longman <<[u.a.]>>, 1986.