| APA | ZRE. (2012, February 14). In Acronym Geek. Retrieved 11:04, February 14, 2012, from http://www.acronymgeek.com/ZRE |
| MLA | "ZRE." Acronym Geek. (2012). Acronym Geek. 14 Feb 2012 <http://www.acronymgeek.com/ZRE>. |
| MHRA | 'ZRE', Acronym Geek, 14 February 2012, <http://www.acronymgeek.com/ZRE> [accessed 14 February 2012] |
| Chicago | "ZRE", http://www.acronymgeek.com/ZRE (accessed February 14, 2012). |
| CBE/CSE | ZRE [Internet]. Acronym Geek; 2012 Feb 14 [cited 2012 Feb 14]. Available from: http://www.acronymgeek.com/ZRE. |
| Bluebook | ZRE, http://www.acronymgeek.com/ZRE (last visited February 14, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, ZRE, http://www.acronymgeek.com/ZRE (optional description here) (as of Feb. 14, 2012, 11:04). |
| AMA | ZRE. Acronym Geek. February 14, 2012, 11:04. Available at: http://www.acronymgeek.com/ZRE. Accessed February 14, 2012, 11:04. |