APA (7th ed.) Citation

Davies, I. K., & Hartley, J. (1972). Contributions to an educational technology. Butterworths.

Chicago Style (17th ed.) Citation

Davies, Ivor K., and James Hartley. Contributions to an Educational Technology. London: Butterworths, 1972.

MLA (8th ed.) Citation

Davies, Ivor K., and James Hartley. Contributions to an Educational Technology. Butterworths, 1972.

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