Sigma Xi, the Scientific Research Society, Society of the Sigma Xi, Scientific Research Society of America, Sigma Xi, the Scientific Research Society of North America, & Rouben Mamoulian Collection (Library of Congress). American scientist. [Sigma Xi, et cetera].
Chicago Style (17th ed.) CitationSigma Xi, the Scientific Research Society, Society of the Sigma Xi, Scientific Research Society of America, the Scientific Research Society of North America Sigma Xi, and Rouben Mamoulian Collection (Library of Congress). American Scientist. [New Haven, Conn., et cetera]: [Sigma Xi, et cetera].
MLA (9th ed.) CitationSigma Xi, the Scientific Research Society, et al. American Scientist. [Sigma Xi, et cetera].
Warning: These citations may not always be 100% accurate.