APA (7th ed.) Citation

ebrary, Inc, Jorna, R. J., Heusden, B. v., & Posner, R. (1993). Signs, search and communication: Semiotic aspects of artificial intelligence. W. de Gruyter.

Chicago Style (17th ed.) Citation

ebrary, Inc, René J. Jorna, Barend van Heusden, and Roland Posner. Signs, Search and Communication: Semiotic Aspects of Artificial Intelligence. Berlin ; New York: W. de Gruyter, 1993.

MLA (9th ed.) Citation

ebrary, Inc, et al. Signs, Search and Communication: Semiotic Aspects of Artificial Intelligence. W. de Gruyter, 1993.