APA (7th ed.) Citation

Vries, H. d. (1912). Oenothera nanella, healthy and diseased ([Sonderdr.].).

Chicago Style (17th ed.) Citation

Vries, Hugo de. Oenothera Nanella, Healthy and Diseased. [Sonderdr.]. 1912.

MLA (9th ed.) Citation

Vries, Hugo de. Oenothera Nanella, Healthy and Diseased. [Sonderdr.]. 1912.

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