| APA | CHA. (2012, February 14). In Acronym Geek. Retrieved 01:19, February 14, 2012, from http://www.acronymgeek.com/CHA |
| MLA | "CHA." Acronym Geek. (2012). Acronym Geek. 14 Feb 2012 <http://www.acronymgeek.com/CHA>. |
| MHRA | 'CHA', Acronym Geek, 14 February 2012, <http://www.acronymgeek.com/CHA> [accessed 14 February 2012] |
| Chicago | "CHA", http://www.acronymgeek.com/CHA (accessed February 14, 2012). |
| CBE/CSE | CHA [Internet]. Acronym Geek; 2012 Feb 14 [cited 2012 Feb 14]. Available from: http://www.acronymgeek.com/CHA. |
| Bluebook | CHA, http://www.acronymgeek.com/CHA (last visited February 14, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, CHA, http://www.acronymgeek.com/CHA (optional description here) (as of Feb. 14, 2012, 01:19). |
| AMA | CHA. Acronym Geek. February 14, 2012, 01:19. Available at: http://www.acronymgeek.com/CHA. Accessed February 14, 2012, 01:19. |