APA (7th ed.) Citation

Smaling, E., Oenema, O., & Fresco, L. O. (1999). Nutrient disequilibria in agroecosystems: Concepts and case studies. CABI.

Chicago Style (17th ed.) Citation

Smaling, E.M.A, O. Oenema, and Louise O. Fresco. Nutrient Disequilibria in Agroecosystems: Concepts and Case Studies. Oxon, UK: CABI, 1999.

MLA (8th ed.) Citation

Smaling, E.M.A, et al. Nutrient Disequilibria in Agroecosystems: Concepts and Case Studies. CABI, 1999.