| APA | CHI. (2012, February 9). In Acronym Geek. Retrieved 21:10, February 9, 2012, from http://www.acronymgeek.com/CHI |
| MLA | "CHI." Acronym Geek. (2012). Acronym Geek. 9 Feb 2012 <http://www.acronymgeek.com/CHI>. |
| MHRA | 'CHI', Acronym Geek, 9 February 2012, <http://www.acronymgeek.com/CHI> [accessed 9 February 2012] |
| Chicago | "CHI", http://www.acronymgeek.com/CHI (accessed February 9, 2012). |
| CBE/CSE | CHI [Internet]. Acronym Geek; 2012 Feb 9 [cited 2012 Feb 9]. Available from: http://www.acronymgeek.com/CHI. |
| Bluebook | CHI, http://www.acronymgeek.com/CHI (last visited February 9, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, CHI, http://www.acronymgeek.com/CHI (optional description here) (as of Feb. 9, 2012, 21:10). |
| AMA | CHI. Acronym Geek. February 9, 2012, 21:10. Available at: http://www.acronymgeek.com/CHI. Accessed February 9, 2012, 21:10. |