APA (7e ed.) Bronvermelding

Malthus, T. R. (1951). Principles of political economy considered with a view to their practical application (2nd ed.). A.M. Kelley.

Chicago (17e ed.) Bronvermelding

Malthus, Thomas Robert. Principles of Political Economy Considered with a View to Their Practical Application. 2nd ed. New York: A.M. Kelley, 1951.

MLA (9e ed.) Bronvermelding

Malthus, Thomas Robert. Principles of Political Economy Considered with a View to Their Practical Application. 2nd ed. A.M. Kelley, 1951.