APA (7th ed.) Citation

Holmes, B., & Gardner, J. (2006). E-learning: Concepts and practice. SAGE Publications.

Chicago Style (17th ed.) Citation

Holmes, Bryn, and John Gardner. E-learning: Concepts and Practice. London ; Thousand Oaks, Calif.: SAGE Publications, 2006.

MLA (9th ed.) Citation

Holmes, Bryn, and John Gardner. E-learning: Concepts and Practice. SAGE Publications, 2006.