Cita APA (7a ed.)

Olle, T. W. (1988). Information systems methodologies: A framework for understanding. Addison-Wesley.

Cita Chicago Style (17a ed.)

Olle, T. William. Information Systems Methodologies: A Framework for Understanding. Wokingham [etc.]: Addison-Wesley, 1988.

Cita MLA (9a ed.)

Olle, T. William. Information Systems Methodologies: A Framework for Understanding. Addison-Wesley, 1988.