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AMA style

David Weinberg. "About". In Alexandrite Tsarstone Collectors Guide. August 12, 2011, 01:19 UTC. Available at: http://w.alexandrite.com/viewpage.html?id=CZ-005. Accessed June 10, 2026.

APA style

"About". (2011, August 12). In Alexandrite Tsarstone Collectors Guide. Retrieved 19:30, June 10, 2026, from http://w.alexandrite.com/viewpage.html?id=CZ-005.

Bluebook style

"About", http://w.alexandrite.com/viewpage.html?id=CZ-005 (last visited June 10, 2026).

Bluebook: Harvard JOLT style

See Alexandrite Tsarstone Collectors Guide, "About", http://w.alexandrite.com/viewpage.html?id=CZ-005 (About) (as of Jun. 10, 2026, 19:30 GMT).

CBE/CSE style

David Weinberg. "About". In Alexandrite Tsarstone Collectors Guide. 2011 Aug 12, 01:19 UTC.[Internet], Alexandrite Tsarstone Collectors Guide; 2011 Aug 12, 01:19 UTC [cited 2026 Jun 10]. Available from: http://w.alexandrite.com/viewpage.html?id=CZ-005.

Chicago style

David Weinberg, "About", http://w.alexandrite.com/viewpage.html?id=CZ-005, (accessed June 10, 2026).

MLA style

"About". Alexandrite Tsarstone Collectors Guide. 12 Aug 2011, 01:19 UTC. 10 Jun 2026 http://w.alexandrite.com/viewpage.html?id=CZ-005

MHRA style

David Weinberg, "About", Alexandrite Tsarstone Collectors Guide, 12 August 2011, 01:19 UTC, http://w.alexandrite.com/viewpage.html?id=CZ-005 [accessed 10 June 2026].