Cita APA (7a ed.)

Heylen, F., Goubert, L., & Omey, E. (1996). Unemployment in Europe: A problem of relative or aggregate demand for labour? International Labour Organization.

Cita Chicago Style (17a ed.)

Heylen, Freddy, Lucia Goubert, y Eddy Omey. Unemployment in Europe: A Problem of Relative or Aggregate Demand for Labour? International Labour Organization, 1996.

Cita MLA (9a ed.)

Heylen, Freddy, et al. Unemployment in Europe: A Problem of Relative or Aggregate Demand for Labour? International Labour Organization, 1996.