Não informado. (1950). Bulletin of the British Museum Natural History. British Museum of Natural History.
Style de citation Chicago (17e éd.)Não informado. Bulletin of the British Museum Natural History. London: British Museum of Natural History, 1950.
Style de citation MLA (8e éd.)Não informado. Bulletin of the British Museum Natural History. British Museum of Natural History, 1950.
Attention : ces citations peuvent ne pas être correctes à 100%.