Cita APA (7th ed.)

Levinson, P. (1997). The soft edge: A natural history and future of the information revolution (1. publ.). Routledge.

Cita Chicago (17th ed.)

Levinson, Paul. The Soft Edge: A Natural History and Future of the Information Revolution. 1. publ. London ; New York: Routledge, 1997.

Cita MLA (8th ed.)

Levinson, Paul. The Soft Edge: A Natural History and Future of the Information Revolution. 1. publ. Routledge, 1997.