APA (7th ed.) Citation

Klar, R., & Opitz, O. (1997). Classification and Knowledge Organization: Proceedings of the 20th Annual Conference of the Gesellschaft für Klassifikation e.V., University of Freiburg, March 6-8, 1996. Springer Berlin Heidelberg.

Chicago Style (17th ed.) Citation

Klar, Rüdiger, and Otto Opitz. Classification and Knowledge Organization: Proceedings of the 20th Annual Conference of the Gesellschaft Für Klassifikation E.V., University of Freiburg, March 6-8, 1996. Berlin, Heidelberg: Springer Berlin Heidelberg, 1997.

MLA (9th ed.) Citation

Klar, Rüdiger, and Otto Opitz. Classification and Knowledge Organization: Proceedings of the 20th Annual Conference of the Gesellschaft Für Klassifikation E.V., University of Freiburg, March 6-8, 1996. Springer Berlin Heidelberg, 1997.