APA (7th ed.) Citation

Gleason, H. A. (1929). Studies on the flora of northern South America ([Sonderdr.].).

Chicago Style (17th ed.) Citation

Gleason, Henry A. Studies on the Flora of Northern South America. [Sonderdr.]. 1929.

MLA (9th ed.) Citation

Gleason, Henry A. Studies on the Flora of Northern South America. [Sonderdr.]. 1929.

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