APA (7th ed.) Citation

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 Style (17th ed.) Citation

Petersen, Thomas, Bernd Klauer, and 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 (9th ed.) Citation

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.