APA-Zitierstil (7. Ausg.)

Petersen, T., Klauer, B., & Manstetten, R. (2009). The environment as a challenge for governmental responsibility: The case of the European Water Framework Directive. Ecological economics, 68(7), .

Chicago-Zitierstil (17. Ausg.)

Petersen, Thomas, Bernd Klauer, und Reiner Manstetten. "The Environment as a Challenge for Governmental Responsibility: The Case of the European Water Framework Directive." Ecological Economics 68, no. 7 (2009).

MLA-Zitierstil (9. Ausg.)

Petersen, Thomas, et al. "The Environment as a Challenge for Governmental Responsibility: The Case of the European Water Framework Directive." Ecological Economics, vol. 68, no. 7, 2009.

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