APA (7th ed.) Citation

Kraus, E. H., & Slawson , C. B. (1953). Gems and Gem materials. McGraw-Hill.

Chicago Style (17th ed.) Citation

Kraus, Edward Henry, and Chester Baker Slawson. Gems and Gem Materials. New York: McGraw-Hill, 1953.

MLA (9th ed.) Citation

Kraus, Edward Henry, and Chester Baker Slawson. Gems and Gem Materials. McGraw-Hill, 1953.