Cita APA (7th ed.)
Levinson, P. (1998). The soft edge: A natural history and future of the information revolution. Routledge.
Cita Chicago (17th ed.)
Levinson, Paul. The Soft Edge: A Natural History and Future of the Information Revolution. London ; New York: Routledge, 1998.
Cita MLA (9th ed.)
Levinson, Paul. The Soft Edge: A Natural History and Future of the Information Revolution. Routledge, 1998.
Atenció: Aquestes cites poden no estar 100% correctes.