| APA | CHR. (2012, February 9). In Acronym Geek. Retrieved 20:38, February 9, 2012, from http://www.acronymgeek.com/CHR |
| MLA | "CHR." Acronym Geek. (2012). Acronym Geek. 9 Feb 2012 <http://www.acronymgeek.com/CHR>. |
| MHRA | 'CHR', Acronym Geek, 9 February 2012, <http://www.acronymgeek.com/CHR> [accessed 9 February 2012] |
| Chicago | "CHR", http://www.acronymgeek.com/CHR (accessed February 9, 2012). |
| CBE/CSE | CHR [Internet]. Acronym Geek; 2012 Feb 9 [cited 2012 Feb 9]. Available from: http://www.acronymgeek.com/CHR. |
| Bluebook | CHR, http://www.acronymgeek.com/CHR (last visited February 9, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, CHR, http://www.acronymgeek.com/CHR (optional description here) (as of Feb. 9, 2012, 20:38). |
| AMA | CHR. Acronym Geek. February 9, 2012, 20:38. Available at: http://www.acronymgeek.com/CHR. Accessed February 9, 2012, 20:38. |