APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

Davies, Ivor Kevin, and J. Hartley. Contributions to an Educational Technology. New York: Crane, Russak, 1972.

MLA (9th ed.) Citation

Davies, Ivor Kevin, and J. Hartley. Contributions to an Educational Technology. Crane, Russak, 1972.