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AMA style

David Weinberg. "John". In Alexandrite Tsarstone Collectors Guide. September 03, 2011, 08:20 UTC. Available at: http://w.alexandrite.com/viewpage.html?id=WP-017-00120. Accessed July 25, 2026.

APA style

"John". (2011, September 03). In Alexandrite Tsarstone Collectors Guide. Retrieved 14:02, July 25, 2026, from http://w.alexandrite.com/viewpage.html?id=WP-017-00120.

Bluebook style

"John", http://w.alexandrite.com/viewpage.html?id=WP-017-00120 (last visited July 25, 2026).

Bluebook: Harvard JOLT style

See Alexandrite Tsarstone Collectors Guide, "John", http://w.alexandrite.com/viewpage.html?id=WP-017-00120 (Retired Chief Marine Engineer) (as of Jul. 25, 2026, 14:02 GMT).

CBE/CSE style

David Weinberg. "John". In Alexandrite Tsarstone Collectors Guide. 2011 Sep 03, 08:20 UTC.[Internet], Alexandrite Tsarstone Collectors Guide; 2011 Sep 03, 08:20 UTC [cited 2026 Jul 25]. Available from: http://w.alexandrite.com/viewpage.html?id=WP-017-00120.

Chicago style

David Weinberg, "John", http://w.alexandrite.com/viewpage.html?id=WP-017-00120, (accessed July 25, 2026).

MLA style

"John". Alexandrite Tsarstone Collectors Guide. 03 Sep 2011, 08:20 UTC. 25 Jul 2026 http://w.alexandrite.com/viewpage.html?id=WP-017-00120

MHRA style

David Weinberg, "John", Alexandrite Tsarstone Collectors Guide, 03 September 2011, 08:20 UTC, http://w.alexandrite.com/viewpage.html?id=WP-017-00120 [accessed 25 July 2026].