Cita APA

Campbell, D. H. 1. (1911). The eusporangiatae: The comparative morphology of the Ophioglossaceae and Marattiaceae. Washington, D.C.: Carnegie Institution of Washington.

Citación estilo Chicago

Campbell, Douglas Houghton 1859-1953. The Eusporangiatae: The Comparative Morphology of the Ophioglossaceae and Marattiaceae. Washington, D.C.: Carnegie Institution of Washington, 1911.

Cita MLA

Campbell, Douglas Houghton 1859-1953. The Eusporangiatae: The Comparative Morphology of the Ophioglossaceae and Marattiaceae. Washington, D.C.: Carnegie Institution of Washington, 1911.