APA (7th ed.) Citation

Hartley, J. (1978). Designing instructional text (1. publ.). Page.

Chicago Style (17th ed.) Citation

Hartley, James. Designing Instructional Text. 1. publ. London: Page, 1978.

MLA (9th ed.) Citation

Hartley, James. Designing Instructional Text. 1. publ. Page, 1978.

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