Cita APA

Magnini, B., Romagnoli, S., Vallin, A., Herrera, J., Peñas, A., Peinado, V., . . . de Rijke, M. (2004). The multiple language question answering track at CLEF 2003.

Citación estilo Chicago

Magnini, Bernardo, Simone Romagnoli, Alessandro Vallin, Jesús Herrera, Anselmo Peñas, Víctor Peinado, Felisa Verdejo, y Maarten de Rijke. The Multiple Language Question Answering Track At CLEF 2003. 2004.

Cita MLA

Magnini, Bernardo, et al. The Multiple Language Question Answering Track At CLEF 2003. 2004.