APA (7th ed.) Citation

Schaffner, J. H. (1929). The flowers of Equisetum ([Sonderdr.].).

Chicago Style (17th ed.) Citation

Schaffner, John Henry. The Flowers of Equisetum. [Sonderdr.]. 1929.

MLA (9th ed.) Citation

Schaffner, John Henry. The Flowers of Equisetum. [Sonderdr.]. 1929.

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