APA (7th ed.) Citation

MCGRAW-HILL. (1992). Mcgraw-hill encyclopedia of science and technology 8: GEO-HYS. McGraw-Hill.

Chicago Style (17th ed.) Citation

MCGRAW-HILL. Mcgraw-hill Encyclopedia of Science and Technology 8: GEO-HYS. New York: McGraw-Hill, 1992.

MLA (9th ed.) Citation

MCGRAW-HILL. Mcgraw-hill Encyclopedia of Science and Technology 8: GEO-HYS. McGraw-Hill, 1992.