| APA | HJJK. (2012, February 15). In Acronym Geek. Retrieved 07:16, February 15, 2012, from http://www.acronymgeek.com/HJJK |
| MLA | "HJJK." Acronym Geek. (2012). Acronym Geek. 15 Feb 2012 <http://www.acronymgeek.com/HJJK>. |
| MHRA | 'HJJK', Acronym Geek, 15 February 2012, <http://www.acronymgeek.com/HJJK> [accessed 15 February 2012] |
| Chicago | "HJJK", http://www.acronymgeek.com/HJJK (accessed February 15, 2012). |
| CBE/CSE | HJJK [Internet]. Acronym Geek; 2012 Feb 15 [cited 2012 Feb 15]. Available from: http://www.acronymgeek.com/HJJK. |
| Bluebook | HJJK, http://www.acronymgeek.com/HJJK (last visited February 15, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, HJJK, http://www.acronymgeek.com/HJJK (optional description here) (as of Feb. 15, 2012, 07:16). |
| AMA | HJJK. Acronym Geek. February 15, 2012, 07:16. Available at: http://www.acronymgeek.com/HJJK. Accessed February 15, 2012, 07:16. |