APA (7th ed.) Citation

Robertson, N., & Thomas, J. L. (1968). Trade unions and industrial relations. Business Books.

Chicago Style (17th ed.) Citation

Robertson, Norman, and John L. Thomas. Trade Unions and Industrial Relations. London: Business Books, 1968.

MLA (9th ed.) Citation

Robertson, Norman, and John L. Thomas. Trade Unions and Industrial Relations. Business Books, 1968.