Cite Them Right 11th edition - Harvard

Gazdar, G. und Mellish, C.S. (1989) Natural language processing in PROLOG : an introduction to computational linguistics [book]. Workingham [u.a.]: Addison-Wesley.

Chicago Manual of Style 17th edition (full note)

Gazdar, Gerald, und Christopher S. Mellish. Natural language processing in PROLOG : an introduction to computational linguistics. Book. Workingham [u.a.]: Addison-Wesley, [1989?], Workingham [u.a.]: Addison-Wesley, [1989?].

American Psychological Association 7th edition

Gazdar, G., & Mellish, C. S. (ca. 1989). Natural language processing in PROLOG : an introduction to computational linguistics [Book]. Addison-Wesley.

Modern Language Association 9th edition

Gazdar, G., und C. S. Mellish. Natural language processing in PROLOG : an introduction to computational linguistics. book, Addison-Wesley, 1989.

ISO-690 (author-date, Deutsch)

GAZDAR, Gerald und Christopher S. MELLISH, 1989. Natural language processing in PROLOG : an introduction to computational linguistics. Workingham [u.a.]: Addison-Wesley. ISBN 0201180537

Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.