APA (7th ed.) Citation

Wilhelm, P. G. (1964). Tausend Tips für Zimmergärtner.

Chicago Style (17th ed.) Citation

Wilhelm, Paul Gerhard. Tausend Tips Für Zimmergärtner. 1964.

MLA (9th ed.) Citation

Wilhelm, Paul Gerhard. Tausend Tips Für Zimmergärtner. 1964.

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