APA (7th ed.) Citation

Kemper, F., & Kurek, S. (2006). Population ageing in Germany and Poland: A comparison of regional developments in the 1990s. Geograph. Inst.

Chicago Style (17th ed.) Citation

Kemper, Franz-Josef, and Slawomir Kurek. Population Ageing in Germany and Poland: A Comparison of Regional Developments in the 1990s. Berlin: Geograph. Inst, 2006.

MLA (9th ed.) Citation

Kemper, Franz-Josef, and Slawomir Kurek. Population Ageing in Germany and Poland: A Comparison of Regional Developments in the 1990s. Geograph. Inst, 2006.