| APA | GJO. (2012, February 15). In Acronym Geek. Retrieved 03:19, February 15, 2012, from http://www.acronymgeek.com/GJO |
| MLA | "GJO." Acronym Geek. (2012). Acronym Geek. 15 Feb 2012 <http://www.acronymgeek.com/GJO>. |
| MHRA | 'GJO', Acronym Geek, 15 February 2012, <http://www.acronymgeek.com/GJO> [accessed 15 February 2012] |
| Chicago | "GJO", http://www.acronymgeek.com/GJO (accessed February 15, 2012). |
| CBE/CSE | GJO [Internet]. Acronym Geek; 2012 Feb 15 [cited 2012 Feb 15]. Available from: http://www.acronymgeek.com/GJO. |
| Bluebook | GJO, http://www.acronymgeek.com/GJO (last visited February 15, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, GJO, http://www.acronymgeek.com/GJO (optional description here) (as of Feb. 15, 2012, 03:19). |
| AMA | GJO. Acronym Geek. February 15, 2012, 03:19. Available at: http://www.acronymgeek.com/GJO. Accessed February 15, 2012, 03:19. |