Cita APA (7a ed.)

Bontje, M., & Burdack, J. (2005). Economic poles in the European metropolitan periphery and sustainable development. Leibniz-Inst. für Länderkunde.

Cita Chicago Style (17a ed.)

Bontje, Marco, y Joachim Burdack. Economic Poles in the European Metropolitan Periphery and Sustainable Development. Leipzig: Leibniz-Inst. für Länderkunde, 2005.

Cita MLA (8a ed.)

Bontje, Marco, y Joachim Burdack. Economic Poles in the European Metropolitan Periphery and Sustainable Development. Leibniz-Inst. für Länderkunde, 2005.