| APA | RTEL. (2012, February 17). In Acronym Geek. Retrieved 04:16, February 17, 2012, from http://www.acronymgeek.com/RTEL |
| MLA | "RTEL." Acronym Geek. (2012). Acronym Geek. 17 Feb 2012 <http://www.acronymgeek.com/RTEL>. |
| MHRA | 'RTEL', Acronym Geek, 17 February 2012, <http://www.acronymgeek.com/RTEL> [accessed 17 February 2012] |
| Chicago | "RTEL", http://www.acronymgeek.com/RTEL (accessed February 17, 2012). |
| CBE/CSE | RTEL [Internet]. Acronym Geek; 2012 Feb 17 [cited 2012 Feb 17]. Available from: http://www.acronymgeek.com/RTEL. |
| Bluebook | RTEL, http://www.acronymgeek.com/RTEL (last visited February 17, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, RTEL, http://www.acronymgeek.com/RTEL (optional description here) (as of Feb. 17, 2012, 04:16). |
| AMA | RTEL. Acronym Geek. February 17, 2012, 04:16. Available at: http://www.acronymgeek.com/RTEL. Accessed February 17, 2012, 04:16. |