Cita APA

Smaling, E. M. A., Fresco, L. O., & Jager, A. d. (1996). Classifying, monitoring and improving soil nutrient stocks and flows in african agriculture. Stockholm, Sweden: Royal Swedisn Academy of Sciences.

Citación estilo Chicago

Smaling, Eric M. A., Louise O. Fresco, and Andre de Jager. Classifying, Monitoring and Improving Soil Nutrient Stocks and Flows in African Agriculture. Stockholm, Sweden: Royal Swedisn Academy of Sciences, 1996.

Cita MLA

Smaling, Eric M. A., Louise O. Fresco, and Andre de Jager. Classifying, Monitoring and Improving Soil Nutrient Stocks and Flows in African Agriculture. Stockholm, Sweden: Royal Swedisn Academy of Sciences, 1996.