APA (7th ed.) Citation

Harris, N. D. C. (1979). Preparing educational materials / (by) N.D.C. Harris. Croom Helm.

Chicago Style (17th ed.) Citation

Harris, N. D. C. Preparing Educational Materials / (by) N.D.C. Harris. London: Croom Helm, 1979.

MLA (9th ed.) Citation

Harris, N. D. C. Preparing Educational Materials / (by) N.D.C. Harris. Croom Helm, 1979.

Warning: These citations may not always be 100% accurate.