| APA | CIR. (2012, February 4). In Acronym Geek. Retrieved 11:37, February 4, 2012, from http://www.acronymgeek.com/CIR |
| MLA | "CIR." Acronym Geek. (2012). Acronym Geek. 4 Feb 2012 <http://www.acronymgeek.com/CIR>. |
| MHRA | 'CIR', Acronym Geek, 4 February 2012, <http://www.acronymgeek.com/CIR> [accessed 4 February 2012] |
| Chicago | "CIR", http://www.acronymgeek.com/CIR (accessed February 4, 2012). |
| CBE/CSE | CIR [Internet]. Acronym Geek; 2012 Feb 4 [cited 2012 Feb 4]. Available from: http://www.acronymgeek.com/CIR. |
| Bluebook | CIR, http://www.acronymgeek.com/CIR (last visited February 4, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, CIR, http://www.acronymgeek.com/CIR (optional description here) (as of Feb. 4, 2012, 11:37). |
| AMA | CIR. Acronym Geek. February 4, 2012, 11:37. Available at: http://www.acronymgeek.com/CIR. Accessed February 4, 2012, 11:37. |