APA-Zitierstil (7. Ausg.)

Ensor, G. (1994). An inquiry concerning the population of nations: Containing a refutation of Mr Malthus's Essay on population (Reprint of the 1818 ed.). Routledge u.a.

Chicago-Zitierstil (17. Ausg.)

Ensor, George. An Inquiry Concerning the Population of Nations: Containing a Refutation of Mr Malthus's Essay on Population. Reprint of the 1818 ed. London: Routledge u.a, 1994.

MLA-Zitierstil (9. Ausg.)

Ensor, George. An Inquiry Concerning the Population of Nations: Containing a Refutation of Mr Malthus's Essay on Population. Reprint of the 1818 ed. Routledge u.a, 1994.

Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.