APA (7th ed.) Citation

Metz, R., & Fanck, A. E. (1965). Precious stones and other crystals. Viking Press.

Chicago Style (17th ed.) Citation

Metz, Rudolf, and Arnold Ernst Fanck. Precious Stones and Other Crystals. New York: Viking Press, 1965.

MLA (9th ed.) Citation

Metz, Rudolf, and Arnold Ernst Fanck. Precious Stones and Other Crystals. Viking Press, 1965.