APA (7th ed.) Citation

Williamson, H. (1979). The trade unions (4.ed.). Heinemann.

Chicago Style (17th ed.) Citation

Williamson, Hugh. The Trade Unions. 4.ed. London: Heinemann, 1979.

MLA (9th ed.) Citation

Williamson, Hugh. The Trade Unions. 4.ed. Heinemann, 1979.

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