Cita APA (7a ed.)

Havlin, J. L. (2005). Soil fertility and fertilizers: An introduction to nutrient management (7th ed.). Prentice Hall of India.

Cita Chicago Style (17a ed.)

Havlin, John L. Soil Fertility and Fertilizers: An Introduction to Nutrient Management. 7th ed. New Delhi: Prentice Hall of India, 2005.

Cita MLA (8a ed.)

Havlin, John L. Soil Fertility and Fertilizers: An Introduction to Nutrient Management. 7th ed. Prentice Hall of India, 2005.