Não informado. (1920). Mineralogical Abstracts. Mineralogical Society of Great Britain.
Style de citation Chicago (17e éd.)Não informado. Mineralogical Abstracts. London: Mineralogical Society of Great Britain, 1920.
Style de citation MLA (8e éd.)Não informado. Mineralogical Abstracts. Mineralogical Society of Great Britain, 1920.
Attention : ces citations peuvent ne pas être correctes à 100%.