APA (7th ed.) Citation

Hartley, J. (1985). Designing instructional text (2nd ed.). Kogan Page.

Chicago Style (17th ed.) Citation

Hartley, James. Designing Instructional Text. 2nd ed. London: Kogan Page, 1985.

MLA (9th ed.) Citation

Hartley, James. Designing Instructional Text. 2nd ed. Kogan Page, 1985.