APA (7th ed.) Zitazioa

Levinson, P. (1998). The soft edge: A natural history and future of the information revolution. Routledge.

Chicago Style (17th ed.) Zitazioa

Levinson, Paul. The Soft Edge: A Natural History and Future of the Information Revolution. London ; New York: Routledge, 1998.

MLA (9th ed.) Zitazioa

Levinson, Paul. The Soft Edge: A Natural History and Future of the Information Revolution. Routledge, 1998.