APA (7th ed.) Citation
Gazdar, G., & Mellish, C. (1989). Natural Language Processing in Prolog: <An> Introduction to Computational Linguistics (1. ed.). Addison-Wesley Pub. Co.
Chicago Style (17th ed.) Citation
Gazdar, Gerald, and Chris Mellish. Natural Language Processing in Prolog: <An> Introduction to Computational Linguistics. 1. ed. Wokingham: Addison-Wesley Pub. Co, 1989.
MLA (9th ed.) Citation
Gazdar, Gerald, and Chris Mellish. Natural Language Processing in Prolog: <An> Introduction to Computational Linguistics. 1. ed. Addison-Wesley Pub. Co, 1989.
Warning: These citations may not always be 100% accurate.