APA (7th ed.) Citation

(1990). The Centenary of May Day. Portrait of the European Trade Union Confederation - ETUC. Brussels.

Chicago Style (17th ed.) Citation

The Centenary of May Day. Portrait of the European Trade Union Confederation - ETUC. Brussels, 1990.

MLA (8th ed.) Citation

The Centenary of May Day. Portrait of the European Trade Union Confederation - ETUC. Brussels, 1990.

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