| APA | GUGS. (2012, February 14). In Acronym Geek. Retrieved 16:22, February 14, 2012, from http://www.acronymgeek.com/GUGS |
| MLA | "GUGS." Acronym Geek. (2012). Acronym Geek. 14 Feb 2012 <http://www.acronymgeek.com/GUGS>. |
| MHRA | 'GUGS', Acronym Geek, 14 February 2012, <http://www.acronymgeek.com/GUGS> [accessed 14 February 2012] |
| Chicago | "GUGS", http://www.acronymgeek.com/GUGS (accessed February 14, 2012). |
| CBE/CSE | GUGS [Internet]. Acronym Geek; 2012 Feb 14 [cited 2012 Feb 14]. Available from: http://www.acronymgeek.com/GUGS. |
| Bluebook | GUGS, http://www.acronymgeek.com/GUGS (last visited February 14, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, GUGS, http://www.acronymgeek.com/GUGS (optional description here) (as of Feb. 14, 2012, 16:22). |
| AMA | GUGS. Acronym Geek. February 14, 2012, 16:22. Available at: http://www.acronymgeek.com/GUGS. Accessed February 14, 2012, 16:22. |