APA (7th ed.) Citation

Runge, H. (2022). Herausforderungen Regenwasser 2021-2022. Vulkan-Verlag.

Chicago Style (17th ed.) Citation

Runge, Hella. Herausforderungen Regenwasser 2021-2022. Essen: Vulkan-Verlag, 2022.

MLA (9th ed.) Citation

Runge, Hella. Herausforderungen Regenwasser 2021-2022. Vulkan-Verlag, 2022.

Warning: These citations may not always be 100% accurate.