APA (7th ed.) Citation

Society of American Foresters & Winters, R. K. (1950). Fifty years of forestry in the U. S. A.

Chicago Style (17th ed.) Citation

Society of American Foresters and Robert Kirby Winters. Fifty Years of Forestry in the U. S. A. Washington, 1950.

MLA (9th ed.) Citation

Society of American Foresters and Robert Kirby Winters. Fifty Years of Forestry in the U. S. A. 1950.