APA Zitierstil

Malthus, T., & Pullen, J. (1989). Principles of Political Economy. Cambridge University Press.

Chicago Zitierstil

Malthus, T.R, und John Pullen. Principles of Political Economy. Cambridge: Cambridge University Press, 1989.

MLA Zitierstil

Malthus, T.R, und John Pullen. Principles of Political Economy. Cambridge University Press, 1989.