| APA | 21ST CCLC. (2012, February 12). In Acronym Geek. Retrieved 13:51, February 12, 2012, from http://www.acronymgeek.com/21ST CCLC |
| MLA | "21ST CCLC." Acronym Geek. (2012). Acronym Geek. 12 Feb 2012 <http://www.acronymgeek.com/21ST CCLC>. |
| MHRA | '21ST CCLC', Acronym Geek, 12 February 2012, <http://www.acronymgeek.com/21ST CCLC> [accessed 12 February 2012] |
| Chicago | "21ST CCLC", http://www.acronymgeek.com/21ST CCLC (accessed February 12, 2012). |
| CBE/CSE | 21ST CCLC [Internet]. Acronym Geek; 2012 Feb 12 [cited 2012 Feb 12]. Available from: http://www.acronymgeek.com/21ST CCLC. |
| Bluebook | 21ST CCLC, http://www.acronymgeek.com/21ST CCLC (last visited February 12, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, 21ST CCLC, http://www.acronymgeek.com/21ST CCLC (optional description here) (as of Feb. 12, 2012, 13:51). |
| AMA | 21ST CCLC. Acronym Geek. February 12, 2012, 13:51. Available at: http://www.acronymgeek.com/21ST CCLC. Accessed February 12, 2012, 13:51. |