APA (7th ed.) Citation

Sheldrick, W. F. (1984). World sulphur survey. World Bank.

Chicago Style (17th ed.) Citation

Sheldrick, William F. World Sulphur Survey. Washington, D.C., U.S.A.: World Bank, 1984.

MLA (9th ed.) Citation

Sheldrick, William F. World Sulphur Survey. World Bank, 1984.