Cita APA (7a ed.)

Köppen, M., & Abraham, A. (2002). Hybrid information system. Physica-Verlag.

Cita Chicago Style (17a ed.)

Köppen, Mario, y Ajith Abraham. Hybrid Information System. Heidelberg: Physica-Verlag, 2002.

Cita MLA (9a ed.)

Köppen, Mario, y Ajith Abraham. Hybrid Information System. Physica-Verlag, 2002.