| APA | GUA. (2012, February 14). In Acronym Geek. Retrieved 07:19, February 14, 2012, from http://www.acronymgeek.com/GUA |
| MLA | "GUA." Acronym Geek. (2012). Acronym Geek. 14 Feb 2012 <http://www.acronymgeek.com/GUA>. |
| MHRA | 'GUA', Acronym Geek, 14 February 2012, <http://www.acronymgeek.com/GUA> [accessed 14 February 2012] |
| Chicago | "GUA", http://www.acronymgeek.com/GUA (accessed February 14, 2012). |
| CBE/CSE | GUA [Internet]. Acronym Geek; 2012 Feb 14 [cited 2012 Feb 14]. Available from: http://www.acronymgeek.com/GUA. |
| Bluebook | GUA, http://www.acronymgeek.com/GUA (last visited February 14, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, GUA, http://www.acronymgeek.com/GUA (optional description here) (as of Feb. 14, 2012, 07:19). |
| AMA | GUA. Acronym Geek. February 14, 2012, 07:19. Available at: http://www.acronymgeek.com/GUA. Accessed February 14, 2012, 07:19. |