| APA | REOU. (2012, February 16). In Acronym Geek. Retrieved 06:31, February 16, 2012, from http://www.acronymgeek.com/REOU |
| MLA | "REOU." Acronym Geek. (2012). Acronym Geek. 16 Feb 2012 <http://www.acronymgeek.com/REOU>. |
| MHRA | 'REOU', Acronym Geek, 16 February 2012, <http://www.acronymgeek.com/REOU> [accessed 16 February 2012] |
| Chicago | "REOU", http://www.acronymgeek.com/REOU (accessed February 16, 2012). |
| CBE/CSE | REOU [Internet]. Acronym Geek; 2012 Feb 16 [cited 2012 Feb 16]. Available from: http://www.acronymgeek.com/REOU. |
| Bluebook | REOU, http://www.acronymgeek.com/REOU (last visited February 16, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, REOU, http://www.acronymgeek.com/REOU (optional description here) (as of Feb. 16, 2012, 06:31). |
| AMA | REOU. Acronym Geek. February 16, 2012, 06:31. Available at: http://www.acronymgeek.com/REOU. Accessed February 16, 2012, 06:31. |