APA (7th ed.) Citation

Helbig, H. (2006). Knowledge representation and the semantics of natural language / Hermann Helbig. Springer.

Chicago Style (17th ed.) Citation

Helbig, Hermann. Knowledge Representation and the Semantics of Natural Language / Hermann Helbig. Berlin: Springer, 2006.

MLA (9th ed.) Citation

Helbig, Hermann. Knowledge Representation and the Semantics of Natural Language / Hermann Helbig. Springer, 2006.

Warning: These citations may not always be 100% accurate.