APA (7th ed.) Citation

Roberts, R. S. (1981). Dictionary of audio, radio, and video. Butterworths.

Chicago Style (17th ed.) Citation

Roberts, R. S. Dictionary of Audio, Radio, and Video. London Boston: Butterworths, 1981.

MLA (9th ed.) Citation

Roberts, R. S. Dictionary of Audio, Radio, and Video. Butterworths, 1981.

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