APA (7th ed.) Citation

Williamson, H. (1979). The trade unions / by H. Williamson (5th ed.). Heinemann.

Chicago Style (17th ed.) Citation

Williamson, Henry. The Trade Unions / by H. Williamson. 5th ed. Heinemann, 1979.

MLA (9th ed.) Citation

Williamson, Henry. The Trade Unions / by H. Williamson. 5th ed. Heinemann, 1979.

Warning: These citations may not always be 100% accurate.