APA (7th ed.) Citation

Sparck Jones, K., & Wilks, Y. (1983). Automatic natural language parsing. Ellis Horwood [etc.].

Chicago Style (17th ed.) Citation

Sparck Jones, Karen, and Yorick Wilks. Automatic Natural Language Parsing. Chichester [etc.]: Ellis Horwood [etc.], 1983.

MLA (9th ed.) Citation

Sparck Jones, Karen, and Yorick Wilks. Automatic Natural Language Parsing. Ellis Horwood [etc.], 1983.