APA (7th ed.) Citation

(1984). The journal of gemmology. Gemmological Association of Great Britain.

Chicago Style (17th ed.) Citation

The Journal of Gemmology. London: Gemmological Association of Great Britain, 1984.

MLA (9th ed.) Citation

The Journal of Gemmology. Gemmological Association of Great Britain, 1984.

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