| APA | HJK. (2012, February 14). In Acronym Geek. Retrieved 12:10, February 14, 2012, from http://www.acronymgeek.com/HJK |
| MLA | "HJK." Acronym Geek. (2012). Acronym Geek. 14 Feb 2012 <http://www.acronymgeek.com/HJK>. |
| MHRA | 'HJK', Acronym Geek, 14 February 2012, <http://www.acronymgeek.com/HJK> [accessed 14 February 2012] |
| Chicago | "HJK", http://www.acronymgeek.com/HJK (accessed February 14, 2012). |
| CBE/CSE | HJK [Internet]. Acronym Geek; 2012 Feb 14 [cited 2012 Feb 14]. Available from: http://www.acronymgeek.com/HJK. |
| Bluebook | HJK, http://www.acronymgeek.com/HJK (last visited February 14, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, HJK, http://www.acronymgeek.com/HJK (optional description here) (as of Feb. 14, 2012, 12:10). |
| AMA | HJK. Acronym Geek. February 14, 2012, 12:10. Available at: http://www.acronymgeek.com/HJK. Accessed February 14, 2012, 12:10. |