APA (7th ed.) Citation

(1975). The color treasury of gemstones. Thomas Y. Crowell Company.

Chicago Style (17th ed.) Citation

The Color Treasury of Gemstones. New York: Thomas Y. Crowell Company, 1975.

MLA (9th ed.) Citation

The Color Treasury of Gemstones. Thomas Y. Crowell Company, 1975.

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