May, P. R. (1970). Origins of hydraulic mining in California ; Oakland: Holmes Book Co.$c1970. Holmes Book Co..
Chicagoスタイル(17版)引用形式May, Philip Ross. Origins of Hydraulic Mining in California ; Oakland: Holmes Book Co.$c1970. Oakland: Holmes Book Co., 1970.
MLA(8版)引用形式May, Philip Ross. Origins of Hydraulic Mining in California ; Oakland: Holmes Book Co.$c1970. Holmes Book Co., 1970.
警告: この引用は必ずしも正確ではありません.