APA (7th ed.) Citation

Percival, F., & Ellington, H. (1984). A handbook of educational technology. Kogan Page.

Chicago Style (17th ed.) Citation

Percival, Fred, and Henry Ellington. A Handbook of Educational Technology. London, Eng: Kogan Page, 1984.

MLA (9th ed.) Citation

Percival, Fred, and Henry Ellington. A Handbook of Educational Technology. Kogan Page, 1984.