APA (7th ed.) Citation

Levy, E. (1972). Per Capita Product and the level of economic development.

Chicago Style (17th ed.) Citation

Levy, Emanuel. Per Capita Product and the Level of Economic Development. 1972.

MLA (9th ed.) Citation

Levy, Emanuel. Per Capita Product and the Level of Economic Development. 1972.

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