| APA | RRZO. (2012, February 16). In Acronym Geek. Retrieved 20:42, February 16, 2012, from http://www.acronymgeek.com/RRZO |
| MLA | "RRZO." Acronym Geek. (2012). Acronym Geek. 16 Feb 2012 <http://www.acronymgeek.com/RRZO>. |
| MHRA | 'RRZO', Acronym Geek, 16 February 2012, <http://www.acronymgeek.com/RRZO> [accessed 16 February 2012] |
| Chicago | "RRZO", http://www.acronymgeek.com/RRZO (accessed February 16, 2012). |
| CBE/CSE | RRZO [Internet]. Acronym Geek; 2012 Feb 16 [cited 2012 Feb 16]. Available from: http://www.acronymgeek.com/RRZO. |
| Bluebook | RRZO, http://www.acronymgeek.com/RRZO (last visited February 16, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, RRZO, http://www.acronymgeek.com/RRZO (optional description here) (as of Feb. 16, 2012, 20:42). |
| AMA | RRZO. Acronym Geek. February 16, 2012, 20:42. Available at: http://www.acronymgeek.com/RRZO. Accessed February 16, 2012, 20:42. |