Crosby, W. O. (1886). Geological collections: Mineralogy. The Society.
Chicagoスタイル(17版)引用形式Crosby, William Otis. Geological Collections: Mineralogy. Boston, Mass.: The Society, 1886.
MLA(8版)引用形式Crosby, William Otis. Geological Collections: Mineralogy. The Society, 1886.
警告: この引用は必ずしも正確ではありません.