| APA | CAL. (2012, February 13). In Acronym Geek. Retrieved 22:53, February 13, 2012, from http://www.acronymgeek.com/CAL |
| MLA | "CAL." Acronym Geek. (2012). Acronym Geek. 13 Feb 2012 <http://www.acronymgeek.com/CAL>. |
| MHRA | 'CAL', Acronym Geek, 13 February 2012, <http://www.acronymgeek.com/CAL> [accessed 13 February 2012] |
| Chicago | "CAL", http://www.acronymgeek.com/CAL (accessed February 13, 2012). |
| CBE/CSE | CAL [Internet]. Acronym Geek; 2012 Feb 13 [cited 2012 Feb 13]. Available from: http://www.acronymgeek.com/CAL. |
| Bluebook | CAL, http://www.acronymgeek.com/CAL (last visited February 13, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, CAL, http://www.acronymgeek.com/CAL (optional description here) (as of Feb. 13, 2012, 22:53). |
| AMA | CAL. Acronym Geek. February 13, 2012, 22:53. Available at: http://www.acronymgeek.com/CAL. Accessed February 13, 2012, 22:53. |