APA (7th ed.) Citation

Matlins, A. L., & Bonanno, A. C. Jewelry & gems, the buying guide: How to buy diamonds, pearls, colored gemstones, gold & jewelry with confidence and knowledge. GemStone Press.

Chicago Style (17th ed.) Citation

Matlins, Antoinette Leonard, and Antonio C. Bonanno. Jewelry & Gems, the Buying Guide: How to Buy Diamonds, Pearls, Colored Gemstones, Gold & Jewelry with Confidence and Knowledge. Woodstock, Vt.: GemStone Press.

MLA (8th ed.) Citation

Matlins, Antoinette Leonard, and Antonio C. Bonanno. Jewelry & Gems, the Buying Guide: How to Buy Diamonds, Pearls, Colored Gemstones, Gold & Jewelry with Confidence and Knowledge. GemStone Press.

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