APA (7th ed.) Citation

Beardon, C., & Lumsden, D. (1991). Natural language and computational linguistics: An introduction. Ellis Horwood Limited.

Chicago Style (17th ed.) Citation

Beardon, Colin, and David Lumsden. Natural Language and Computational Linguistics: An Introduction. New York: Ellis Horwood Limited, 1991.

MLA (8th ed.) Citation

Beardon, Colin, and David Lumsden. Natural Language and Computational Linguistics: An Introduction. Ellis Horwood Limited, 1991.

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