Não informado. (2020). Report of the State Mineralogist. California Division of Mines.
Style de citation Chicago (17e éd.)Não informado. Report of the State Mineralogist. San Francisco, Calif: California Division of Mines, 2020.
Style de citation MLA (8e éd.)Não informado. Report of the State Mineralogist. California Division of Mines, 2020.
Attention : ces citations peuvent ne pas être correctes à 100%.