APA (7th ed.) Citation

Sager, N. (1981). Natural language information processing: A computer grammar of English and its applications. Addison-Wesley.

Chicago Style (17th ed.) Citation

Sager, Naomi. Natural Language Information Processing: A Computer Grammar of English and Its Applications. Reading, Massachusetts [etc.]: Addison-Wesley, 1981.

MLA (9th ed.) Citation

Sager, Naomi. Natural Language Information Processing: A Computer Grammar of English and Its Applications. Addison-Wesley, 1981.