Não informado. (1953). Geological abstracts. American Geological Institute.
Style de citation Chicago (17e éd.)Não informado. Geological Abstracts. New York: American Geological Institute, 1953.
Style de citation MLA (8e éd.)Não informado. Geological Abstracts. American Geological Institute, 1953.
Attention : ces citations peuvent ne pas être correctes à 100%.