David Weinberg.
"Definition of Ray".
In Alexandrite Tsarstone Collectors Guide. July 03, 2010, 04:45 UTC.
Available at: http://w.alexandrite.com/viewpage.html?id=GG-103-00003.
Accessed April 06, 2026.
APA style
"Definition of Ray".
(2010, July 03). In Alexandrite Tsarstone Collectors Guide. Retrieved 16:59, April 06, 2026, from http://w.alexandrite.com/viewpage.html?id=GG-103-00003.
Bluebook style
"Definition of Ray", http://w.alexandrite.com/viewpage.html?id=GG-103-00003 (last visited April 06, 2026).
Bluebook: Harvard JOLT style
See Alexandrite Tsarstone Collectors Guide, "Definition of Ray", http://w.alexandrite.com/viewpage.html?id=GG-103-00003 (A narrow beam of light, which emanate from a single bright source that proceed in one direction.) (as of Apr. 06, 2026, 16:59 GMT).
CBE/CSE style
David Weinberg. "Definition of Ray".
In Alexandrite Tsarstone Collectors Guide. 2010 Jul 03, 04:45 UTC.[Internet], Alexandrite Tsarstone Collectors Guide; 2010 Jul 03, 04:45 UTC [cited 2026 Apr 06]. Available from: http://w.alexandrite.com/viewpage.html?id=GG-103-00003.
Chicago style
David Weinberg, "Definition of Ray", http://w.alexandrite.com/viewpage.html?id=GG-103-00003, (accessed April 06, 2026).
MLA style
"Definition of Ray". Alexandrite Tsarstone Collectors Guide. 03 Jul 2010, 04:45 UTC. 06 Apr 2026 http://w.alexandrite.com/viewpage.html?id=GG-103-00003
MHRA style
David Weinberg, "Definition of Ray", Alexandrite Tsarstone Collectors Guide, 03 July 2010, 04:45 UTC, http://w.alexandrite.com/viewpage.html?id=GG-103-00003 [accessed 06 April 2026].