APA (7th ed.) Citation

McKeown, R., & Otter, M. E. (1989). National survey of slide collections / Roy McKeown and Mary Edmunds Otter. British Library Board.

Chicago Style (17th ed.) Citation

McKeown, Roy, and Mary Edmunds Otter. National Survey of Slide Collections / Roy McKeown and Mary Edmunds Otter. London: British Library Board, 1989.

MLA (9th ed.) Citation

McKeown, Roy, and Mary Edmunds Otter. National Survey of Slide Collections / Roy McKeown and Mary Edmunds Otter. British Library Board, 1989.

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