| APA | REXN. (2012, February 14). In Acronym Geek. Retrieved 21:01, February 14, 2012, from http://www.acronymgeek.com/REXN |
| MLA | "REXN." Acronym Geek. (2012). Acronym Geek. 14 Feb 2012 <http://www.acronymgeek.com/REXN>. |
| MHRA | 'REXN', Acronym Geek, 14 February 2012, <http://www.acronymgeek.com/REXN> [accessed 14 February 2012] |
| Chicago | "REXN", http://www.acronymgeek.com/REXN (accessed February 14, 2012). |
| CBE/CSE | REXN [Internet]. Acronym Geek; 2012 Feb 14 [cited 2012 Feb 14]. Available from: http://www.acronymgeek.com/REXN. |
| Bluebook | REXN, http://www.acronymgeek.com/REXN (last visited February 14, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, REXN, http://www.acronymgeek.com/REXN (optional description here) (as of Feb. 14, 2012, 21:01). |
| AMA | REXN. Acronym Geek. February 14, 2012, 21:01. Available at: http://www.acronymgeek.com/REXN. Accessed February 14, 2012, 21:01. |