Não informado. (1894). Geological literature added to the Geological Society's Library. Geological Society of London.
Style de citation Chicago (17e éd.)Não informado. Geological Literature Added to the Geological Society's Library. London: Geological Society of London, 1894.
Style de citation MLA (8e éd.)Não informado. Geological Literature Added to the Geological Society's Library. Geological Society of London, 1894.
Attention : ces citations peuvent ne pas être correctes à 100%.