APA (7th ed.) Citation

Ascherson, P., & Gürke, M. (1889). Hydrocharitaceae ([Sonderdr.].).

Chicago Style (17th ed.) Citation

Ascherson, Paul, and M. Gürke. Hydrocharitaceae. [Sonderdr.]. 1889.

MLA (9th ed.) Citation

Ascherson, Paul, and M. Gürke. Hydrocharitaceae. [Sonderdr.]. 1889.

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