APA (7th ed.) Citation

Sheldrick, W. F. (1987). World nitrogen survey. World Bank.

Chicago Style (17th ed.) Citation

Sheldrick, William F. World Nitrogen Survey. Washington, D.C.: World Bank, 1987.

MLA (8th ed.) Citation

Sheldrick, William F. World Nitrogen Survey. World Bank, 1987.

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