APA (7th ed.) Citation

Ricardo, D., Hollander, J. H., & Gregory, T. E. (1928). Notes on Malthus' "Principles of political economy". Johns Hopkins Press; Oxford University Press.

Chicago Style (17th ed.) Citation

Ricardo, David, Jacob H. Hollander, and T. E. Gregory. Notes on Malthus' "Principles of Political Economy". Baltimore,Md. London: Johns Hopkins Press; Oxford University Press, 1928.

MLA (9th ed.) Citation

Ricardo, David, et al. Notes on Malthus' "Principles of Political Economy". Johns Hopkins Press; Oxford University Press, 1928.