APA (7th ed.) Citation

Garrison, D. R. (2017). E-learning in the 21st century: A community of inquiry framework for research and practice (Third edition.). Routledge, Taylor & Francis Group.

Chicago Style (17th ed.) Citation

Garrison, D. Randy. E-learning in the 21st Century: A Community of Inquiry Framework for Research and Practice. Third edition. New York, NY: Routledge, Taylor & Francis Group, 2017.

MLA (9th ed.) Citation

Garrison, D. Randy. E-learning in the 21st Century: A Community of Inquiry Framework for Research and Practice. Third edition. Routledge, Taylor & Francis Group, 2017.