APA (7th ed.) Citation

Constant, K. M. (1992). World nitrogen survey. World Bank.

Chicago Style (17th ed.) Citation

Constant, Kurt Michael. World Nitrogen Survey. Washington, D.C: World Bank, 1992.

MLA (9th ed.) Citation

Constant, Kurt Michael. World Nitrogen Survey. World Bank, 1992.

Warning: These citations may not always be 100% accurate.