APA (7th ed.) Citation

Wigham, E. L. (1956). Trade unions / by E.L. Wigham. Oxford UP.

Chicago Style (17th ed.) Citation

Wigham, E. L. Trade Unions / by E.L. Wigham. Oxford UP, 1956.

MLA (9th ed.) Citation

Wigham, E. L. Trade Unions / by E.L. Wigham. Oxford UP, 1956.

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