| APA | GMO. (2012, February 9). In Acronym Geek. Retrieved 19:42, February 9, 2012, from http://www.acronymgeek.com/GMO |
| MLA | "GMO." Acronym Geek. (2012). Acronym Geek. 9 Feb 2012 <http://www.acronymgeek.com/GMO>. |
| MHRA | 'GMO', Acronym Geek, 9 February 2012, <http://www.acronymgeek.com/GMO> [accessed 9 February 2012] |
| Chicago | "GMO", http://www.acronymgeek.com/GMO (accessed February 9, 2012). |
| CBE/CSE | GMO [Internet]. Acronym Geek; 2012 Feb 9 [cited 2012 Feb 9]. Available from: http://www.acronymgeek.com/GMO. |
| Bluebook | GMO, http://www.acronymgeek.com/GMO (last visited February 9, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, GMO, http://www.acronymgeek.com/GMO (optional description here) (as of Feb. 9, 2012, 19:42). |
| AMA | GMO. Acronym Geek. February 9, 2012, 19:42. Available at: http://www.acronymgeek.com/GMO. Accessed February 9, 2012, 19:42. |