APA (7th ed.) Citation

Association for Programmed Learning and Educational Technology, Brunstrom, C. K., Mann, A. P. R., Bajpai, A. C., & Leedham, J. (1970). Aspects of educational technology. Pitman.

Chicago Style (17th ed.) Citation

Association for Programmed Learning and Educational Technology, Conrad Kenneth Brunstrom, Arthur Pierre Rennesson Mann, A. C. Bajpai, and John Leedham. Aspects of Educational Technology. London: Pitman, 1970.

MLA (8th ed.) Citation

Association for Programmed Learning and Educational Technology, et al. Aspects of Educational Technology. Pitman, 1970.