APA (7th ed.) Citation

Gärtner, H. A. (1975). Verbascum, Königskerze.

Chicago Style (17th ed.) Citation

Gärtner, Hans Armin. Verbascum, Königskerze. 1975.

MLA (9th ed.) Citation

Gärtner, Hans Armin. Verbascum, Königskerze. 1975.

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