APA (7th ed.) Citation

Geluck, S. a. P., de Grasse, M., & Unions, I. C. o. F. T. (1999). 50 years of trade union struggle.

Chicago Style (17th ed.) Citation

Geluck, Suykens and Partners, Marianne de Grasse, and International Confederation of Free Trade Unions. 50 Years of Trade Union Struggle. 1999.

MLA (8th ed.) Citation

Geluck, Suykens and Partners, et al. 50 Years of Trade Union Struggle. 1999.