Cita APA (7a ed.)
Sommerville, I. (1985). Software engineering (2.ed.). Addison-Wesley.
Cita Chicago Style (17a ed.)
Sommerville, Ian. Software Engineering. 2.ed. Wokingham: Addison-Wesley, 1985.
Cita MLA (9a ed.)
Sommerville, Ian. Software Engineering. 2.ed. Addison-Wesley, 1985.
Precaución: Estas citas no son 100% exactas.