APA (7th ed.) Citation

Smith, A., & Skinner, A. S. (1977). The wealth of nations: Books I-III. Penguin.

Chicago Style (17th ed.) Citation

Smith, Adam, and Andrew S. Skinner. The Wealth of Nations: Books I-III. Harmondsworth: Penguin, 1977.

MLA (8th ed.) Citation

Smith, Adam, and Andrew S. Skinner. The Wealth of Nations: Books I-III. Penguin, 1977.

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