Cita APA (7th ed.)

GREENLAND, D. (1977). Soil conservation and management in the: Humid tropics : proceedings of the International conference on soil conservation and management in the humid tropics held in Ibadan, Nigeria, in June 1975. John Wiley.

Cita Chicago (17th ed.)

GREENLAND, D.J. Soil Conservation and Management in the: Humid Tropics : Proceedings of the International Conference on Soil Conservation and Management in the Humid Tropics Held in Ibadan, Nigeria, in June 1975. New York: John Wiley, 1977.

Cita MLA (9th ed.)

GREENLAND, D.J. Soil Conservation and Management in the: Humid Tropics : Proceedings of the International Conference on Soil Conservation and Management in the Humid Tropics Held in Ibadan, Nigeria, in June 1975. John Wiley, 1977.