APA (7th ed.) Citation

Sassenbach, J. (1926). Twenty-five years of international trade unionism. International Federation of Trade Unions.

Chicago Style (17th ed.) Citation

Sassenbach, Johann. Twenty-five Years of International Trade Unionism. Amsterdam: International Federation of Trade Unions, 1926.

MLA (8th ed.) Citation

Sassenbach, Johann. Twenty-five Years of International Trade Unionism. International Federation of Trade Unions, 1926.