Cita APA (7a ed.)

Degryse, C., & Tilly, P. (2013). 1973-2013: 40 years of history of the European Trade Union Confederation. Brussels: ETUI.

Cita Chicago Style (17a ed.)

Degryse, Christophe, y Pierre Tilly. 1973-2013: 40 Years of History of the European Trade Union Confederation. Brussels: ETUI, 2013.

Cita MLA (8a ed.)

Degryse, Christophe, y Pierre Tilly. 1973-2013: 40 Years of History of the European Trade Union Confederation. Brussels: ETUI, 2013.