Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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