Cita APA (7a ed.)

Sommerville, I. (1990). Software engineering (3rd ed.). Addison-Wesley.

Cita Chicago Style (17a ed.)

Sommerville, Ian. Software Engineering. 3rd ed. Wokingham [etc.]: Addison-Wesley, 1990.

Cita MLA (9a ed.)

Sommerville, Ian. Software Engineering. 3rd ed. Addison-Wesley, 1990.