| APA | CGUD. (2012, February 16). In Acronym Geek. Retrieved 16:21, February 16, 2012, from http://www.acronymgeek.com/CGUD |
| MLA | "CGUD." Acronym Geek. (2012). Acronym Geek. 16 Feb 2012 <http://www.acronymgeek.com/CGUD>. |
| MHRA | 'CGUD', Acronym Geek, 16 February 2012, <http://www.acronymgeek.com/CGUD> [accessed 16 February 2012] |
| Chicago | "CGUD", http://www.acronymgeek.com/CGUD (accessed February 16, 2012). |
| CBE/CSE | CGUD [Internet]. Acronym Geek; 2012 Feb 16 [cited 2012 Feb 16]. Available from: http://www.acronymgeek.com/CGUD. |
| Bluebook | CGUD, http://www.acronymgeek.com/CGUD (last visited February 16, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, CGUD, http://www.acronymgeek.com/CGUD (optional description here) (as of Feb. 16, 2012, 16:21). |
| AMA | CGUD. Acronym Geek. February 16, 2012, 16:21. Available at: http://www.acronymgeek.com/CGUD. Accessed February 16, 2012, 16:21. |