APA (7th ed.) Citation

Sommerville, I. (1985). Software engineering (2nd ed.). Addison-Wesley.

Chicago Style (17th ed.) Citation

Sommerville, Ian. Software Engineering. 2nd ed. Wokingham, Eng. ; Reading, Mass.: Addison-Wesley, 1985.

MLA (8th ed.) Citation

Sommerville, Ian. Software Engineering. 2nd ed. Addison-Wesley, 1985.