APA (7th ed.) Citation

Robertson, I. (1991). Audio-visual equipment: A technician's and user's handbook. Butterworth Heinemann.

Chicago Style (17th ed.) Citation

Robertson, Ian. Audio-visual Equipment: A Technician's and User's Handbook. Oxford: Butterworth Heinemann, 1991.

MLA (9th ed.) Citation

Robertson, Ian. Audio-visual Equipment: A Technician's and User's Handbook. Butterworth Heinemann, 1991.