APA (7th ed.) Citation

Lyon, H. L. (1905). A new genus of Ophioglossaceae ([Sonderdr.].).

Chicago Style (17th ed.) Citation

Lyon, Harold L. A New Genus of Ophioglossaceae. [Sonderdr.]. 1905.

MLA (9th ed.) Citation

Lyon, Harold L. A New Genus of Ophioglossaceae. [Sonderdr.]. 1905.

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