APA (7th ed.) Citation

Proctor, G. R. (1985). Ferns of Jamaica: A guide to the Pteridophytes. British Museum (Natural History).

Chicago Style (17th ed.) Citation

Proctor, George R. Ferns of Jamaica: A Guide to the Pteridophytes. London: British Museum (Natural History), 1985.

MLA (9th ed.) Citation

Proctor, George R. Ferns of Jamaica: A Guide to the Pteridophytes. British Museum (Natural History), 1985.