APA (7th ed.) Citation

Copeland, E. B. (1950). Additions and corrections to the genera Filicum ([Sonderdr.].).

Chicago Style (17th ed.) Citation

Copeland, Edwin Bingham. Additions and Corrections to the Genera Filicum. [Sonderdr.]. 1950.

MLA (9th ed.) Citation

Copeland, Edwin Bingham. Additions and Corrections to the Genera Filicum. [Sonderdr.]. 1950.

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