APA (7th ed.) Citation

Graaff, J. d. (1993). Soil conservation and sustainable land use: An economic approach. Royal Tropical Institute.

Chicago Style (17th ed.) Citation

Graaff, J. de. Soil Conservation and Sustainable Land Use: An Economic Approach. Amsterdam: Royal Tropical Institute, 1993.

MLA (9th ed.) Citation

Graaff, J. de. Soil Conservation and Sustainable Land Use: An Economic Approach. Royal Tropical Institute, 1993.

Warning: These citations may not always be 100% accurate.