Cita APA (7a ed.)

Reiser, M. (1991). The Oberon system: User guide and programmer's manual. ACM, Addison-Wesley.

Cita Chicago Style (17a ed.)

Reiser, Martin. The Oberon System: User Guide and Programmer's Manual. New York : Wokingham [etc.]: ACM, Addison-Wesley, 1991.

Cita MLA (9a ed.)

Reiser, Martin. The Oberon System: User Guide and Programmer's Manual. ACM, Addison-Wesley, 1991.