APA (7th ed.) Citation

Sommerville, I. (1989). Software engineering (3rd ed.). Addison-Wesley.

Chicago Style (17th ed.) Citation

Sommerville, Ian. Software Engineering. 3rd ed. Wokingham, England: Addison-Wesley, 1989.

MLA (9th ed.) Citation

Sommerville, Ian. Software Engineering. 3rd ed. Addison-Wesley, 1989.