Angus, I., & Butler, S. (2011). Too many people?: Population, immigration, and the environmental crisis. Haymarket Books.
Chicago-Zitierstil (17. Ausg.)Angus, Ian, und Simon Butler. Too Many People?: Population, Immigration, and the Environmental Crisis. Chicago, IL: Haymarket Books, 2011.
MLA-Zitierstil (9. Ausg.)Angus, Ian, und Simon Butler. Too Many People?: Population, Immigration, and the Environmental Crisis. Haymarket Books, 2011.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.