| APA | GERB. (2012, February 10). In Acronym Geek. Retrieved 08:36, February 10, 2012, from http://www.acronymgeek.com/GERB |
| MLA | "GERB." Acronym Geek. (2012). Acronym Geek. 10 Feb 2012 <http://www.acronymgeek.com/GERB>. |
| MHRA | 'GERB', Acronym Geek, 10 February 2012, <http://www.acronymgeek.com/GERB> [accessed 10 February 2012] |
| Chicago | "GERB", http://www.acronymgeek.com/GERB (accessed February 10, 2012). |
| CBE/CSE | GERB [Internet]. Acronym Geek; 2012 Feb 10 [cited 2012 Feb 10]. Available from: http://www.acronymgeek.com/GERB. |
| Bluebook | GERB, http://www.acronymgeek.com/GERB (last visited February 10, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, GERB, http://www.acronymgeek.com/GERB (optional description here) (as of Feb. 10, 2012, 08:36). |
| AMA | GERB. Acronym Geek. February 10, 2012, 08:36. Available at: http://www.acronymgeek.com/GERB. Accessed February 10, 2012, 08:36. |