Não informado. (2020). Chapter of Report ... of the State Mineralogist Covering Mining in California and the Activities of the State Mining Bureau. California State Mining Bureau.
Citação do estilo Chicago (17ª ed.)Não informado. Chapter of Report ... of the State Mineralogist Covering Mining in California and the Activities of the State Mining Bureau. San Francisco, Calif: California State Mining Bureau, 2020.
Citação MLA (8ª ed.)Não informado. Chapter of Report ... of the State Mineralogist Covering Mining in California and the Activities of the State Mining Bureau. California State Mining Bureau, 2020.
警告：這些引文格式不一定是100％准確.