| APA | CIGN. (2012, February 15). In Acronym Geek. Retrieved 19:45, February 15, 2012, from http://www.acronymgeek.com/CIGN |
| MLA | "CIGN." Acronym Geek. (2012). Acronym Geek. 15 Feb 2012 <http://www.acronymgeek.com/CIGN>. |
| MHRA | 'CIGN', Acronym Geek, 15 February 2012, <http://www.acronymgeek.com/CIGN> [accessed 15 February 2012] |
| Chicago | "CIGN", http://www.acronymgeek.com/CIGN (accessed February 15, 2012). |
| CBE/CSE | CIGN [Internet]. Acronym Geek; 2012 Feb 15 [cited 2012 Feb 15]. Available from: http://www.acronymgeek.com/CIGN. |
| Bluebook | CIGN, http://www.acronymgeek.com/CIGN (last visited February 15, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, CIGN, http://www.acronymgeek.com/CIGN (optional description here) (as of Feb. 15, 2012, 19:45). |
| AMA | CIGN. Acronym Geek. February 15, 2012, 19:45. Available at: http://www.acronymgeek.com/CIGN. Accessed February 15, 2012, 19:45. |