APA (7th ed.) Citation

Ellington, H., & Harris, N. D. C. . [. .. (1986). Dictionary of instructional technology. Kogan Page Nichols.

Chicago Style (17th ed.) Citation

Ellington, Henry, and N. D. C. [] Harris. Dictionary of Instructional Technology. London : New York: Kogan Page Nichols, 1986.

MLA (9th ed.) Citation

Ellington, Henry, and N. D. C. [] Harris. Dictionary of Instructional Technology. Kogan Page Nichols, 1986.