Knight, C. L. (1935). Secular and cyclical movements in the production and price of copper ..
Chicago Style (17th ed.) CitationKnight, Charles Louis. Secular and Cyclical Movements in the Production and Price of Copper .. Philadelphia, 1935.
MLA (8th ed.) CitationKnight, Charles Louis. Secular and Cyclical Movements in the Production and Price of Copper .. 1935.
Warning: These citations may not always be 100% accurate.