APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

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

MLA (8th ed.) Citation

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

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