Cita APA (7th ed.)

Havlin, J. L., Beaton, J. D., & Tisdale, S. L. (2005). Soil fertility and fertilizers -- An introduction to nutrient management (7th ed.). Prentice-Hall of India Private Limited.

Cita Chicago (17th ed.)

Havlin, John L., James D. Beaton, i Samuel L. Tisdale. Soil Fertility and Fertilizers -- An Introduction to Nutrient Management. 7th ed. New Delhi: Prentice-Hall of India Private Limited, 2005.

Cita MLA (9th ed.)

Havlin, John L., et al. Soil Fertility and Fertilizers -- An Introduction to Nutrient Management. 7th ed. Prentice-Hall of India Private Limited, 2005.