Não informado. (2012). Memoirs of the Geological Survey of the United Kingdom. [s.n.].
Style de citation Chicago (17e éd.)Não informado. Memoirs of the Geological Survey of the United Kingdom. London: [s.n.], 2012.
Style de citation MLA (8e éd.)Não informado. Memoirs of the Geological Survey of the United Kingdom. [s.n.], 2012.
Attention : ces citations peuvent ne pas être correctes à 100%.