APA (7th ed.) Citation

Webb, S., & Webb, B. P. (1965). The history of trade unionism. Kelley.

Chicago Style (17th ed.) Citation

Webb, Sidney, and Beatrice Potter Webb. The History of Trade Unionism. New York: Kelley, 1965.

MLA (9th ed.) Citation

Webb, Sidney, and Beatrice Potter Webb. The History of Trade Unionism. Kelley, 1965.