Cita APA (7a ed.)

Helming, K., & Wiggering, H. (2003). Sustainable development of multifunctional landscapes. Springer.

Cita Chicago Style (17a ed.)

Helming, Katharina, y Hubert Wiggering. Sustainable Development of Multifunctional Landscapes. Berlin ; Barcelona: Springer, 2003.

Cita MLA (9a ed.)

Helming, Katharina, y Hubert Wiggering. Sustainable Development of Multifunctional Landscapes. Springer, 2003.