APA (7th ed.) Citation

Johnson, M. A. (1937). Hydathodes in the genus Equisetum ([Sonderdr.].).

Chicago Style (17th ed.) Citation

Johnson, Marion A. Hydathodes in the Genus Equisetum. [Sonderdr.]. 1937.

MLA (9th ed.) Citation

Johnson, Marion A. Hydathodes in the Genus Equisetum. [Sonderdr.]. 1937.

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