APA (7th ed.) Citation

Ellington, H., Percival, F., & Race, P. (1993). A handbook of educational technology (Third edition.). Kogan Page ; Nichols Pub..

Chicago Style (17th ed.) Citation

Ellington, Henry, Fred Percival, and Philip Race. A Handbook of Educational Technology. Third edition. London : East Brunswick, N.J.: Kogan Page ; Nichols Pub., 1993.

MLA (9th ed.) Citation

Ellington, Henry, et al. A Handbook of Educational Technology. Third edition. Kogan Page ; Nichols Pub., 1993.