Cita APA (7a ed.)
Luís Seabra Lopes, N. L. Progress in Artificial Intelligence: 14th Portuguese Conference on Artificial Intelligence, EPIA 2009, Aveiro, Portugal, October 12-15, 2009, Proceedings. Springer.
Cita estilo Chicago (17a ed.)
Luís Seabra Lopes, Nuno Lau. Progress in Artificial Intelligence: 14th Portuguese Conference on Artificial Intelligence, EPIA 2009, Aveiro, Portugal, October 12-15, 2009, Proceedings. Berlín, Alemania: Springer.
Cita MLA (9a ed.)
Luís Seabra Lopes, Nuno Lau. Progress in Artificial Intelligence: 14th Portuguese Conference on Artificial Intelligence, EPIA 2009, Aveiro, Portugal, October 12-15, 2009, Proceedings. Springer.
Precaución: Estas citas no son 100% exactas.