Ensor, G. (1967). An inquiry concerning the population of nations containing a refutation of Mr. Malthus's essay on population ((1818) Repr.). Kelley.
Chicago-Zitierstil (17. Ausg.)Ensor, George. An Inquiry Concerning the Population of Nations Containing a Refutation of Mr. Malthus's Essay on Population. (1818) Repr. New York: Kelley, 1967.
MLA-Zitierstil (9. Ausg.)Ensor, George. An Inquiry Concerning the Population of Nations Containing a Refutation of Mr. Malthus's Essay on Population. (1818) Repr. Kelley, 1967.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.