APA (7th ed.) Citation

Stokoe, W. J. (1958). The observer's book of trees and shrubs of the British Isles. Frederick Warne.

Chicago Style (17th ed.) Citation

Stokoe, W. J. The Observer's Book of Trees and Shrubs of the British Isles. London, New York: Frederick Warne, 1958.

MLA (9th ed.) Citation

Stokoe, W. J. The Observer's Book of Trees and Shrubs of the British Isles. Frederick Warne, 1958.