| APA | R.E.. (2012, February 15). In Acronym Geek. Retrieved 22:30, February 15, 2012, from http://www.acronymgeek.com/R.E. |
| MLA | "R.E.." Acronym Geek. (2012). Acronym Geek. 15 Feb 2012 <http://www.acronymgeek.com/R.E.>. |
| MHRA | 'R.E.', Acronym Geek, 15 February 2012, <http://www.acronymgeek.com/R.E.> [accessed 15 February 2012] |
| Chicago | "R.E.", http://www.acronymgeek.com/R.E. (accessed February 15, 2012). |
| CBE/CSE | R.E. [Internet]. Acronym Geek; 2012 Feb 15 [cited 2012 Feb 15]. Available from: http://www.acronymgeek.com/R.E.. |
| Bluebook | R.E., http://www.acronymgeek.com/R.E. (last visited February 15, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, R.E., http://www.acronymgeek.com/R.E. (optional description here) (as of Feb. 15, 2012, 22:30). |
| AMA | R.E.. Acronym Geek. February 15, 2012, 22:30. Available at: http://www.acronymgeek.com/R.E.. Accessed February 15, 2012, 22:30. |