| APA | REY. (2012, February 13). In Acronym Geek. Retrieved 21:05, February 13, 2012, from http://www.acronymgeek.com/REY |
| MLA | "REY." Acronym Geek. (2012). Acronym Geek. 13 Feb 2012 <http://www.acronymgeek.com/REY>. |
| MHRA | 'REY', Acronym Geek, 13 February 2012, <http://www.acronymgeek.com/REY> [accessed 13 February 2012] |
| Chicago | "REY", http://www.acronymgeek.com/REY (accessed February 13, 2012). |
| CBE/CSE | REY [Internet]. Acronym Geek; 2012 Feb 13 [cited 2012 Feb 13]. Available from: http://www.acronymgeek.com/REY. |
| Bluebook | REY, http://www.acronymgeek.com/REY (last visited February 13, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, REY, http://www.acronymgeek.com/REY (optional description here) (as of Feb. 13, 2012, 21:05). |
| AMA | REY. Acronym Geek. February 13, 2012, 21:05. Available at: http://www.acronymgeek.com/REY. Accessed February 13, 2012, 21:05. |