APA (7th ed.) Citation

Malthus, T. R. (1827). Definitions in political economy. J. Murray.

Chicago Style (17th ed.) Citation

Malthus, T. R. Definitions in Political Economy. London: J. Murray, 1827.

MLA (9th ed.) Citation

Malthus, T. R. Definitions in Political Economy. J. Murray, 1827.

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