APA (7th ed.) Citation

Percival, F., & Ellington, H. (1988). A handbook of educational technology (2. ed.). Kogan Page.

Chicago Style (17th ed.) Citation

Percival, Fred, and Henry Ellington. A Handbook of Educational Technology. 2. ed. London: Kogan Page, 1988.

MLA (9th ed.) Citation

Percival, Fred, and Henry Ellington. A Handbook of Educational Technology. 2. ed. Kogan Page, 1988.