APA (7th ed.) Citation

Bank, H., & Henn, U. (1993). Flux grown synthetic rubies from Russia. The journal of gemmology, 23(7), .

Chicago Style (17th ed.) Citation

Bank, Hermann, and Ulrich Henn. "Flux Grown Synthetic Rubies from Russia." The Journal of Gemmology 23, no. 7 (1993).

MLA (9th ed.) Citation

Bank, Hermann, and Ulrich Henn. "Flux Grown Synthetic Rubies from Russia." The Journal of Gemmology, vol. 23, no. 7, 1993.