Cita APA (7a ed.)

Graham, I. (1991). Object-oriented methods. Addison-Wesley.

Cita Chicago Style (17a ed.)

Graham, Ian. Object-oriented Methods. Wokingham [etc.]: Addison-Wesley, 1991.

Cita MLA (9a ed.)

Graham, Ian. Object-oriented Methods. Addison-Wesley, 1991.