APA (7th ed.) Citation

Ricardo, D. (1931). The first six chapters of the Principles of political economy and taxation of David Ricardo, 1817. Macmillan.

Chicago Style (17th ed.) Citation

Ricardo, David. The First Six Chapters of the Principles of Political Economy and Taxation of David Ricardo, 1817. New York: Macmillan, 1931.

MLA (9th ed.) Citation

Ricardo, David. The First Six Chapters of the Principles of Political Economy and Taxation of David Ricardo, 1817. Macmillan, 1931.