| APA | CZK. (2012, February 11). In Acronym Geek. Retrieved 22:26, February 11, 2012, from http://www.acronymgeek.com/CZK |
| MLA | "CZK." Acronym Geek. (2012). Acronym Geek. 11 Feb 2012 <http://www.acronymgeek.com/CZK>. |
| MHRA | 'CZK', Acronym Geek, 11 February 2012, <http://www.acronymgeek.com/CZK> [accessed 11 February 2012] |
| Chicago | "CZK", http://www.acronymgeek.com/CZK (accessed February 11, 2012). |
| CBE/CSE | CZK [Internet]. Acronym Geek; 2012 Feb 11 [cited 2012 Feb 11]. Available from: http://www.acronymgeek.com/CZK. |
| Bluebook | CZK, http://www.acronymgeek.com/CZK (last visited February 11, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, CZK, http://www.acronymgeek.com/CZK (optional description here) (as of Feb. 11, 2012, 22:26). |
| AMA | CZK. Acronym Geek. February 11, 2012, 22:26. Available at: http://www.acronymgeek.com/CZK. Accessed February 11, 2012, 22:26. |