APA (7th ed.) Citation

Copeland, E. B. (1947). Genera filicum: The genera of ferns (1. publ.). Chronica Botanica.

Chicago Style (17th ed.) Citation

Copeland, Edwin Bingham. Genera Filicum: The Genera of Ferns. 1. publ. Waltham, Mass: Chronica Botanica, 1947.

MLA (9th ed.) Citation

Copeland, Edwin Bingham. Genera Filicum: The Genera of Ferns. 1. publ. Chronica Botanica, 1947.

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