Green, D. (2016). The rock & gem book: ...and other treasures of the natural world (First American edition.). DK Publishing.
Cita Chicago Style (17a ed.)Green, Dan. The Rock & Gem Book: ...and Other Treasures of the Natural World. First American edition. New York, New York: DK Publishing, 2016.
Cita MLA (8a ed.)Green, Dan. The Rock & Gem Book: ...and Other Treasures of the Natural World. First American edition. DK Publishing, 2016.
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