APA Citation

Knight, C. L. (1935). Secular and cyclical movements in the production and price of copper .. Philadelphia.

Chicago Style Citation

Knight, Charles Louis. Secular and Cyclical Movements in the Production and Price of Copper .. Philadelphia, 1935.

MLA Citation

Knight, Charles Louis. Secular and Cyclical Movements in the Production and Price of Copper .. Philadelphia, 1935.

Warning: These citations may not always be 100% accurate.