APA (7th ed.) Citation

Workshop Semigroups and Languages <2002, Lisbon, Portugal>. (2004). Proceedings of the Workshop Semigroups and Languages: Lisboa, Portugal, 27-29 November 2002. World Scientific.

Chicago Style (17th ed.) Citation

Workshop Semigroups and Languages <2002, Lisbon, Portugal>. Proceedings of the Workshop Semigroups and Languages: Lisboa, Portugal, 27-29 November 2002. River Edge, NJ: World Scientific, 2004.

MLA (9th ed.) Citation

Workshop Semigroups and Languages <2002, Lisbon, Portugal>. Proceedings of the Workshop Semigroups and Languages: Lisboa, Portugal, 27-29 November 2002. World Scientific, 2004.