| APA | C2BK. (2012, February 15). In Acronym Geek. Retrieved 05:09, February 15, 2012, from http://www.acronymgeek.com/C2BK |
| MLA | "C2BK." Acronym Geek. (2012). Acronym Geek. 15 Feb 2012 <http://www.acronymgeek.com/C2BK>. |
| MHRA | 'C2BK', Acronym Geek, 15 February 2012, <http://www.acronymgeek.com/C2BK> [accessed 15 February 2012] |
| Chicago | "C2BK", http://www.acronymgeek.com/C2BK (accessed February 15, 2012). |
| CBE/CSE | C2BK [Internet]. Acronym Geek; 2012 Feb 15 [cited 2012 Feb 15]. Available from: http://www.acronymgeek.com/C2BK. |
| Bluebook | C2BK, http://www.acronymgeek.com/C2BK (last visited February 15, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, C2BK, http://www.acronymgeek.com/C2BK (optional description here) (as of Feb. 15, 2012, 05:09). |
| AMA | C2BK. Acronym Geek. February 15, 2012, 05:09. Available at: http://www.acronymgeek.com/C2BK. Accessed February 15, 2012, 05:09. |