APA (7th ed.) Citation

Koivula, J. I. (2000). The microworld of diamonds: A visual reference guide. Gemworld Internat.

Chicago Style (17th ed.) Citation

Koivula, John I. The Microworld of Diamonds: A Visual Reference Guide. Northbrook, IL, USA: Gemworld Internat, 2000.

MLA (9th ed.) Citation

Koivula, John I. The Microworld of Diamonds: A Visual Reference Guide. Gemworld Internat, 2000.

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