APA (7th ed.) Citation

Frey, H. (1979). Das Süßwasser-Aquarium. Neumann Verlag.

Chicago Style (17th ed.) Citation

Frey, Hans. Das Süßwasser-Aquarium. Leipzig: Neumann Verlag, 1979.

MLA (8th ed.) Citation

Frey, Hans. Das Süßwasser-Aquarium. Neumann Verlag, 1979.

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