Cita APA (7a ed.)

Tydeman, J. (1982). Teletext and videotext in the United States: Market potential technology public policy issues. McGraw-Hill.

Cita Chicago Style (17a ed.)

Tydeman, John. Teletext and Videotext in the United States: Market Potential Technology Public Policy Issues. New York [etc.]: McGraw-Hill, 1982.

Cita MLA (9a ed.)

Tydeman, John. Teletext and Videotext in the United States: Market Potential Technology Public Policy Issues. McGraw-Hill, 1982.