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