Kunz, G. F. 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 foreing gems owned in the United States.
Cita Chicago Style (17a ed.)Kunz, 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 Foreing Gems Owned in the United States. New York.
Cita MLA (8a ed.)Kunz, 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 Foreing Gems Owned in the United States.