Kunz, G. F. (1892). Gems and precious stones of North America: A popular description of their occurrence, value, history, archaeology, and of the collections in which they exist, also a chapter on pearls, and on remarkable foreign gems owned in the United States ; illustrated with eight colored plates and numerous minor engravings (2. ed. with appendix.). Scientific Pub. Co.
Chicago Style (17th ed.) CitationKunz, George Frederick. Gems and Precious Stones of North America: A Popular Description of Their Occurrence, Value, History, Archaeology, and of the Collections in Which They Exist, Also a Chapter on Pearls, and on Remarkable Foreign Gems Owned in the United States ; Illustrated with Eight Colored Plates and Numerous Minor Engravings. 2. ed. with appendix. New York: Scientific Pub. Co, 1892.
MLA (9th ed.) CitationKunz, George Frederick. Gems and Precious Stones of North America: A Popular Description of Their Occurrence, Value, History, Archaeology, and of the Collections in Which They Exist, Also a Chapter on Pearls, and on Remarkable Foreign Gems Owned in the United States ; Illustrated with Eight Colored Plates and Numerous Minor Engravings. 2. ed. with appendix. Scientific Pub. Co, 1892.