Cita APA (7a ed.)

Ricardo, D., Malthus, T. R., & Bonar, J. (1887). Letters of David Ricardo to Thomas Robert Malthus 1810-1823. Clarendon Press.

Cita Chicago Style (17a ed.)

Ricardo, David, Thomas Robert Malthus, y James Bonar. Letters of David Ricardo to Thomas Robert Malthus 1810-1823. Oxford: Clarendon Press, 1887.

Cita MLA (9a ed.)

Ricardo, David, et al. Letters of David Ricardo to Thomas Robert Malthus 1810-1823. Clarendon Press, 1887.