APA (7th ed.) Citation

Arem, J. E. (1987). Color encyclopedia of gemstones (2nd ed.). Van Nostrand Reinhold Co..

Chicago Style (17th ed.) Citation

Arem, Joel E. Color Encyclopedia of Gemstones. 2nd ed. New York: Van Nostrand Reinhold Co., 1987.

MLA (9th ed.) Citation

Arem, Joel E. Color Encyclopedia of Gemstones. 2nd ed. Van Nostrand Reinhold Co., 1987.

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