| APA | CI-HY. (2012, February 12). In Acronym Geek. Retrieved 11:55, February 12, 2012, from http://www.acronymgeek.com/CI-HY |
| MLA | "CI-HY." Acronym Geek. (2012). Acronym Geek. 12 Feb 2012 <http://www.acronymgeek.com/CI-HY>. |
| MHRA | 'CI-HY', Acronym Geek, 12 February 2012, <http://www.acronymgeek.com/CI-HY> [accessed 12 February 2012] |
| Chicago | "CI-HY", http://www.acronymgeek.com/CI-HY (accessed February 12, 2012). |
| CBE/CSE | CI-HY [Internet]. Acronym Geek; 2012 Feb 12 [cited 2012 Feb 12]. Available from: http://www.acronymgeek.com/CI-HY. |
| Bluebook | CI-HY, http://www.acronymgeek.com/CI-HY (last visited February 12, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, CI-HY, http://www.acronymgeek.com/CI-HY (optional description here) (as of Feb. 12, 2012, 11:55). |
| AMA | CI-HY. Acronym Geek. February 12, 2012, 11:55. Available at: http://www.acronymgeek.com/CI-HY. Accessed February 12, 2012, 11:55. |