| APA | GU. (2012, February 9). In Acronym Geek. Retrieved 16:51, February 9, 2012, from http://www.acronymgeek.com/GU |
| MLA | "GU." Acronym Geek. (2012). Acronym Geek. 9 Feb 2012 <http://www.acronymgeek.com/GU>. |
| MHRA | 'GU', Acronym Geek, 9 February 2012, <http://www.acronymgeek.com/GU> [accessed 9 February 2012] |
| Chicago | "GU", http://www.acronymgeek.com/GU (accessed February 9, 2012). |
| CBE/CSE | GU [Internet]. Acronym Geek; 2012 Feb 9 [cited 2012 Feb 9]. Available from: http://www.acronymgeek.com/GU. |
| Bluebook | GU, http://www.acronymgeek.com/GU (last visited February 9, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, GU, http://www.acronymgeek.com/GU (optional description here) (as of Feb. 9, 2012, 16:51). |
| AMA | GU. Acronym Geek. February 9, 2012, 16:51. Available at: http://www.acronymgeek.com/GU. Accessed February 9, 2012, 16:51. |