APA (7th ed.) Citation

United States. National Telecommunications and Information Administration & Bloom, L. R. (1980). VIDEOTEX systems and services. U.S. Dept. of Commerce, National Telecommunications and Information Administration.

Chicago Style (17th ed.) Citation

United States. National Telecommunications and Information Administration and Louis Richard Bloom. VIDEOTEX Systems and Services. [Washington, D.C.?]: U.S. Dept. of Commerce, National Telecommunications and Information Administration, 1980.

MLA (9th ed.) Citation

United States. National Telecommunications and Information Administration and Louis Richard Bloom. VIDEOTEX Systems and Services. U.S. Dept. of Commerce, National Telecommunications and Information Administration, 1980.