APA (7th ed.) Citation

Matthews, C. (1998). An introduction to natural language processing through Prolog. Longman.

Chicago Style (17th ed.) Citation

Matthews, Clive. An Introduction to Natural Language Processing Through Prolog. London: Longman, 1998.

MLA (9th ed.) Citation

Matthews, Clive. An Introduction to Natural Language Processing Through Prolog. Longman, 1998.

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