APA (7th ed.) Citation

Webb, S., & Webb, B. P. (1997). The history of trade unionism. University Microfilms International.

Chicago Style (17th ed.) Citation

Webb, Sidney, and Beatrice Potter Webb. The History of Trade Unionism. Ann Arbor: University Microfilms International, 1997.

MLA (9th ed.) Citation

Webb, Sidney, and Beatrice Potter Webb. The History of Trade Unionism. University Microfilms International, 1997.