| APA | CA. (2012, February 14). In Acronym Geek. Retrieved 06:05, February 14, 2012, from http://www.acronymgeek.com/CA |
| MLA | "CA." Acronym Geek. (2012). Acronym Geek. 14 Feb 2012 <http://www.acronymgeek.com/CA>. |
| MHRA | 'CA', Acronym Geek, 14 February 2012, <http://www.acronymgeek.com/CA> [accessed 14 February 2012] |
| Chicago | "CA", http://www.acronymgeek.com/CA (accessed February 14, 2012). |
| CBE/CSE | CA [Internet]. Acronym Geek; 2012 Feb 14 [cited 2012 Feb 14]. Available from: http://www.acronymgeek.com/CA. |
| Bluebook | CA, http://www.acronymgeek.com/CA (last visited February 14, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, CA, http://www.acronymgeek.com/CA (optional description here) (as of Feb. 14, 2012, 06:05). |
| AMA | CA. Acronym Geek. February 14, 2012, 06:05. Available at: http://www.acronymgeek.com/CA. Accessed February 14, 2012, 06:05. |