Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.

APA Zitierstil

Kraus, E. H., & Slawson, C. B. (1947). Gems and gem materials (5th ed.). New York: McGraw-Hill Book Company.

Chicago Zitierstil

Kraus, Edward Henry, and Chester Baker Slawson. Gems and Gem Materials. 5th ed. New York: McGraw-Hill Book Company, 1947.

MLA Zitierstil

Kraus, Edward Henry, and Chester Baker Slawson. Gems and Gem Materials. 5th ed. New York: McGraw-Hill Book Company, 1947.