Cita APA

Morgan, R. P. C. (1995). Soil erosion and conservation. London: Longman.

Chicago Style Citation

Morgan, Royston Philip Charles. Soil Erosion and Conservation. London: Longman, 1995.

Cita MLA

Morgan, Royston Philip Charles. Soil Erosion and Conservation. London: Longman, 1995.

Atenció: Aquestes cites poden no estar 100% correctes.