APA (7th ed.) Citation

Ryle, G. (1969). Forest service: The first forty-five years of the Forestry Commission of Great Britain. A. M. Kelley.

Chicago Style (17th ed.) Citation

Ryle, George. Forest Service: The First Forty-five Years of the Forestry Commission of Great Britain. New York: A. M. Kelley, 1969.

MLA (8th ed.) Citation

Ryle, George. Forest Service: The First Forty-five Years of the Forestry Commission of Great Britain. A. M. Kelley, 1969.