APA (7th ed.) Citation

Riba, R. (1967). New taxa in the genus Alsophila ([Sonderdr.].).

Chicago Style (17th ed.) Citation

Riba, Ramón. New Taxa in the Genus Alsophila. [Sonderdr.]. 1967.

MLA (9th ed.) Citation

Riba, Ramón. New Taxa in the Genus Alsophila. [Sonderdr.]. 1967.

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