APA (7th ed.) Citation

Hewins, W. A. S. The origin of trade unionism. s.n. (Londres).

Chicago Style (17th ed.) Citation

Hewins, W. A. S. The Origin of Trade Unionism. s.n. (Londres).

MLA (8th ed.) Citation

Hewins, W. A. S. The Origin of Trade Unionism. s.n. (Londres).

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