APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

Proctor, George R. Ferns of Jamaica: A Guide to the Pteridophytes. London, 1985.

MLA (9th ed.) Citation

Proctor, George R. Ferns of Jamaica: A Guide to the Pteridophytes. 1985.

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