APA (7th ed.) Citation

Van den Bergh, T. (1970). The trade unions: What are they? (First edition.). Pergamon Press.

Chicago Style (17th ed.) Citation

Van den Bergh, Tony. The Trade Unions: What Are They? First edition. Oxford: Pergamon Press, 1970.

MLA (9th ed.) Citation

Van den Bergh, Tony. The Trade Unions: What Are They? First edition. Pergamon Press, 1970.