Cita APA (7a ed.)
Helvey, T. (1971). The age of information: An interdisciplinary survey of cibernetics.
Cita estilo Chicago (17a ed.)
Helvey, T.C. The Age of Information: An Interdisciplinary Survey of Cibernetics. 1971.
Cita MLA (9a ed.)
Helvey, T.C. The Age of Information: An Interdisciplinary Survey of Cibernetics. 1971.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.