APA (7th ed.) Citation

Pennington, W. (1969). The history of British vegetation / by W. Pennington. English U.P..

Chicago Style (17th ed.) Citation

Pennington, W. The History of British Vegetation / by W. Pennington. English U.P., 1969.

MLA (9th ed.) Citation

Pennington, W. The History of British Vegetation / by W. Pennington. English U.P., 1969.

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