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AMA style

David Weinberg. "Definition of Weight of gemstones and precious metals". In Alexandrite Tsarstone Collectors Guide. July 03, 2010, 04:44 UTC. Available at: http://m.alexandrite.net/viewpage.html?id=GG-082-00005. Accessed May 21, 2026.

APA style

"Definition of Weight of gemstones and precious metals". (2010, July 03). In Alexandrite Tsarstone Collectors Guide. Retrieved 18:34, May 21, 2026, from http://m.alexandrite.net/viewpage.html?id=GG-082-00005.

Bluebook style

"Definition of Weight of gemstones and precious metals", http://m.alexandrite.net/viewpage.html?id=GG-082-00005 (last visited May 21, 2026).

Bluebook: Harvard JOLT style

See Alexandrite Tsarstone Collectors Guide, "Definition of Weight of gemstones and precious metals", http://m.alexandrite.net/viewpage.html?id=GG-082-00005 (A standard mass. The unit of weight of gemstones since 1913, is the international metric carat or decimally of them in points.) (as of May. 21, 2026, 18:34 GMT).

CBE/CSE style

David Weinberg. "Definition of Weight of gemstones and precious metals". In Alexandrite Tsarstone Collectors Guide. 2010 Jul 03, 04:44 UTC.[Internet], Alexandrite Tsarstone Collectors Guide; 2010 Jul 03, 04:44 UTC [cited 2026 May 21]. Available from: http://m.alexandrite.net/viewpage.html?id=GG-082-00005.

Chicago style

David Weinberg, "Definition of Weight of gemstones and precious metals", http://m.alexandrite.net/viewpage.html?id=GG-082-00005, (accessed May 21, 2026).

MLA style

"Definition of Weight of gemstones and precious metals". Alexandrite Tsarstone Collectors Guide. 03 Jul 2010, 04:44 UTC. 21 May 2026 http://m.alexandrite.net/viewpage.html?id=GG-082-00005

MHRA style

David Weinberg, "Definition of Weight of gemstones and precious metals", Alexandrite Tsarstone Collectors Guide, 03 July 2010, 04:44 UTC, http://m.alexandrite.net/viewpage.html?id=GG-082-00005 [accessed 21 May 2026].