Cita APA (7a ed.)

Morgan, R. P. C. (1986). Soil erosion and conservation. Longman.

Cita Chicago Style (17a ed.)

Morgan, Royston Philip Charles. Soil Erosion and Conservation. England: Longman, 1986.

Cita MLA (8a ed.)

Morgan, Royston Philip Charles. Soil Erosion and Conservation. Longman, 1986.