APA (7th ed.) Citation

Barnard, A. S. (2000). The diamond formula : diamond synthesis : a gemmological perspective / A.S. Barnard: Diamond synthesis : a gemmological perspective. NAG Press.

Chicago Style (17th ed.) Citation

Barnard, A. S. The Diamond Formula : Diamond Synthesis : A Gemmological Perspective / A.S. Barnard: Diamond Synthesis : A Gemmological Perspective. London: NAG Press, 2000.

MLA (9th ed.) Citation

Barnard, A. S. The Diamond Formula : Diamond Synthesis : A Gemmological Perspective / A.S. Barnard: Diamond Synthesis : A Gemmological Perspective. NAG Press, 2000.

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