APA (7th ed.) Citation

Wilks, Y. (1989). Theoretical issues in natural language processing. Lawrence Erlbaum.

Chicago Style (17th ed.) Citation

Wilks, Yorick. Theoretical Issues in Natural Language Processing. Hillsdale, New Jersey [etc.]: Lawrence Erlbaum, 1989.

MLA (9th ed.) Citation

Wilks, Yorick. Theoretical Issues in Natural Language Processing. Lawrence Erlbaum, 1989.