Cita APA (7th ed.)

Brown, D. (2004). Digital fortress (St. Martin's Paperbacks ed.). St. Martin's Press.

Cita Chicago (17th ed.)

Brown, Danielle. Digital Fortress. St. Martin's Paperbacks ed. New York: St. Martin's Press, 2004.

Cita MLA (9th ed.)

Brown, Danielle. Digital Fortress. St. Martin's Paperbacks ed. St. Martin's Press, 2004.