APA (7th ed.) Citation

Roberts, M. (1971). Video cassettes: The systems, the market, the future. Martin Roberts & Associates.

Chicago Style (17th ed.) Citation

Roberts, Martin. Video Cassettes: The Systems, the Market, the Future. Beverly Hills: Martin Roberts & Associates, 1971.

MLA (9th ed.) Citation

Roberts, Martin. Video Cassettes: The Systems, the Market, the Future. Martin Roberts & Associates, 1971.

Warning: These citations may not always be 100% accurate.