APA (7th ed.) Citation

Bauer, J., & Bouška, V. (1989). A guide in colour to precious & semiprecious stones: By Jaroslav Bauer and Vladimir Bouska. Chartwell Books.

Chicago Style (17th ed.) Citation

Bauer, Jaroslav, and Vladimír Bouška. A Guide in Colour to Precious & Semiprecious Stones: By Jaroslav Bauer and Vladimir Bouska. Secaucus, N.J.: Chartwell Books, 1989.

MLA (9th ed.) Citation

Bauer, Jaroslav, and Vladimír Bouška. A Guide in Colour to Precious & Semiprecious Stones: By Jaroslav Bauer and Vladimir Bouska. Chartwell Books, 1989.