| APA | RADIUS. (2012, February 10). In Acronym Geek. Retrieved 13:27, February 10, 2012, from http://www.acronymgeek.com/RADIUS |
| MLA | "RADIUS." Acronym Geek. (2012). Acronym Geek. 10 Feb 2012 <http://www.acronymgeek.com/RADIUS>. |
| MHRA | 'RADIUS', Acronym Geek, 10 February 2012, <http://www.acronymgeek.com/RADIUS> [accessed 10 February 2012] |
| Chicago | "RADIUS", http://www.acronymgeek.com/RADIUS (accessed February 10, 2012). |
| CBE/CSE | RADIUS [Internet]. Acronym Geek; 2012 Feb 10 [cited 2012 Feb 10]. Available from: http://www.acronymgeek.com/RADIUS. |
| Bluebook | RADIUS, http://www.acronymgeek.com/RADIUS (last visited February 10, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, RADIUS, http://www.acronymgeek.com/RADIUS (optional description here) (as of Feb. 10, 2012, 13:27). |
| AMA | RADIUS. Acronym Geek. February 10, 2012, 13:27. Available at: http://www.acronymgeek.com/RADIUS. Accessed February 10, 2012, 13:27. |