Citazione Stile APA (7a Edizione)

Lal, R., & Stewart, B. A. (2018). Soil Nitrogen uses and environmental impacts (1a. ed.). CRC Press.

Citazione stile Chigago Style (17a edizione)

Lal, Rattan, e B. A. Stewart. Soil Nitrogen Uses and Environmental Impacts. 1a. ed. Boca Ratón: CRC Press, 2018.

Citatione MLA (9a ed.)

Lal, Rattan, e B. A. Stewart. Soil Nitrogen Uses and Environmental Impacts. 1a. ed. CRC Press, 2018.