Lutz, W., & Scherbov, S. (2000). What do we know about the future changes in the proportions of children and elderly in Europe? ([1st ed.].). International Institute for Applied Systems Analysis.
Chicago Style (17th ed.) CitationLutz, Wolfgang, and Sergei Scherbov. What Do We Know About the Future Changes in the Proportions of Children and Elderly in Europe? [1st ed.]. Laxenburg: International Institute for Applied Systems Analysis, 2000.
MLA (9th ed.) CitationLutz, Wolfgang, and Sergei Scherbov. What Do We Know About the Future Changes in the Proportions of Children and Elderly in Europe? [1st ed.]. International Institute for Applied Systems Analysis, 2000.
Warning: These citations may not always be 100% accurate.