APA (7th ed.) Citation

Stokoe, W. J. (1950). The observer's book of British ferns / compiled by W.J. Stokoe. Warne.

Chicago Style (17th ed.) Citation

Stokoe, W. J. The Observer's Book of British Ferns / Compiled by W.J. Stokoe. Warne, 1950.

MLA (9th ed.) Citation

Stokoe, W. J. The Observer's Book of British Ferns / Compiled by W.J. Stokoe. Warne, 1950.

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