APA (7th ed.) Citation

Armstrong, R., Percival, F., & Saunders, D. (1994). Interactive learning. Kogan Page.

Chicago Style (17th ed.) Citation

Armstrong, Roger, Fred Percival, and Danny Saunders. Interactive Learning. London: Kogan Page, 1994.

MLA (9th ed.) Citation

Armstrong, Roger, et al. Interactive Learning. Kogan Page, 1994.