Cita APA (7a ed.)

Collard, F., Fonseca, R., & Muñoz, R. (2002). Spanish unemployment persistence and the ladder effect. Centre for Economic Performance.

Cita Chicago Style (17a ed.)

Collard, Fabrice, Raquel Fonseca, y Rafael Muñoz. Spanish Unemployment Persistence and the Ladder Effect. London: Centre for Economic Performance, 2002.

Cita MLA (9a ed.)

Collard, Fabrice, et al. Spanish Unemployment Persistence and the Ladder Effect. Centre for Economic Performance, 2002.