APA (7th ed.) Citation

Say, J. B. (1936). Letters to Thomas Robert Malthus on political economy and stagnation of commerce. Harding.

Chicago Style (17th ed.) Citation

Say, Jean Baptiste. Letters to Thomas Robert Malthus on Political Economy and Stagnation of Commerce. London: Harding, 1936.

MLA (9th ed.) Citation

Say, Jean Baptiste. Letters to Thomas Robert Malthus on Political Economy and Stagnation of Commerce. Harding, 1936.