APA (7th ed.) Citation
Drechsel, P., & Penning de Vries, F. W. (2001). Land pressure and soil nutrient depletion in Sub-Saharan Africa.
Chicago Style (17th ed.) Citation
Drechsel, Pay, and Frits W.T Penning de Vries. Land Pressure and Soil Nutrient Depletion in Sub-Saharan Africa. 2001.
MLA (9th ed.) Citation
Drechsel, Pay, and Frits W.T Penning de Vries. Land Pressure and Soil Nutrient Depletion in Sub-Saharan Africa. 2001.
Warning: These citations may not always be 100% accurate.