APA (7th ed.) Citation

Ringland, G. A. (1989). Approaches to knowledge representation: An introduction (Repr.). Research Studies Press <<[u.a.]>>.

Chicago Style (17th ed.) Citation

Ringland, Gordon A. Approaches to Knowledge Representation: An Introduction. Repr. Taunton, Somerset: Research Studies Press <<[u.a.]>>, 1989.

MLA (9th ed.) Citation

Ringland, Gordon A. Approaches to Knowledge Representation: An Introduction. Repr. Research Studies Press <<[u.a.]>>, 1989.