APA Edition Citation

Copeland, E. B. (1947). Genera filicum, the genera of ferns.

Chicago Edition Citation

Copeland, Edwin Bingham. Genera Filicum, the Genera of Ferns. 1947.

MLA Edition Citation

Copeland, Edwin Bingham. Genera Filicum, the Genera of Ferns. 1947.

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