Cita APA (7a ed.)

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

Cita Chicago Style (17a ed.)

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

Cita MLA (8a ed.)

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