APA (7th ed.) Citation

Daniel Livingstone, Jeremy Kemp, & Edmund Edgar. (2008). From Multi-User Virtual Environment to 3D Virtual Learning Environment. Association for Learning Technology.

Chicago Style (17th ed.) Citation

Daniel Livingstone, Jeremy Kemp, and Edmund Edgar. From Multi-User Virtual Environment to 3D Virtual Learning Environment. Association for Learning Technology, 2008.

MLA (9th ed.) Citation

Daniel Livingstone, et al. From Multi-User Virtual Environment to 3D Virtual Learning Environment. Association for Learning Technology, 2008.