Cita APA (7th ed.)
Hobart, M. E., & Schiffman, Z. S. Information Ages: Literacy, Numeracy, and the Computer Revolution. Johns Hopkins University.
Cita Chicago (17th ed.)
Hobart, Michael E., i Zachary S. Schiffman. Information Ages: Literacy, Numeracy, and the Computer Revolution. Baltimore, EUA: Johns Hopkins University.
Cita MLA (9th ed.)
Hobart, Michael E., i Zachary S. Schiffman. Information Ages: Literacy, Numeracy, and the Computer Revolution. Johns Hopkins University.
Atenció: Aquestes cites poden no estar 100% correctes.