| APA | CHAS. (2012, February 14). In Acronym Geek. Retrieved 01:24, February 14, 2012, from http://www.acronymgeek.com/CHAS |
| MLA | "CHAS." Acronym Geek. (2012). Acronym Geek. 14 Feb 2012 <http://www.acronymgeek.com/CHAS>. |
| MHRA | 'CHAS', Acronym Geek, 14 February 2012, <http://www.acronymgeek.com/CHAS> [accessed 14 February 2012] |
| Chicago | "CHAS", http://www.acronymgeek.com/CHAS (accessed February 14, 2012). |
| CBE/CSE | CHAS [Internet]. Acronym Geek; 2012 Feb 14 [cited 2012 Feb 14]. Available from: http://www.acronymgeek.com/CHAS. |
| Bluebook | CHAS, http://www.acronymgeek.com/CHAS (last visited February 14, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, CHAS, http://www.acronymgeek.com/CHAS (optional description here) (as of Feb. 14, 2012, 01:24). |
| AMA | CHAS. Acronym Geek. February 14, 2012, 01:24. Available at: http://www.acronymgeek.com/CHAS. Accessed February 14, 2012, 01:24. |