Cita APA (7a ed.)
Troels Andreasen, H. C. Flexible Query Answering Systems: Third International Conference, FQAS'98, Roskilde, Denmark, May 13-15, 1998, Proceedings. Springer.
Cita estilo Chicago (17a ed.)
Troels Andreasen, Henning Christiansen. Flexible Query Answering Systems: Third International Conference, FQAS'98, Roskilde, Denmark, May 13-15, 1998, Proceedings. Berlín, Alemania: Springer.
Cita MLA (9a ed.)
Troels Andreasen, Henning Christiansen. Flexible Query Answering Systems: Third International Conference, FQAS'98, Roskilde, Denmark, May 13-15, 1998, Proceedings. Springer.
Precaución: Estas citas no son 100% exactas.