| APA | HJKA. (2012, February 16). In Acronym Geek. Retrieved 14:53, February 16, 2012, from http://www.acronymgeek.com/HJKA |
| MLA | "HJKA." Acronym Geek. (2012). Acronym Geek. 16 Feb 2012 <http://www.acronymgeek.com/HJKA>. |
| MHRA | 'HJKA', Acronym Geek, 16 February 2012, <http://www.acronymgeek.com/HJKA> [accessed 16 February 2012] |
| Chicago | "HJKA", http://www.acronymgeek.com/HJKA (accessed February 16, 2012). |
| CBE/CSE | HJKA [Internet]. Acronym Geek; 2012 Feb 16 [cited 2012 Feb 16]. Available from: http://www.acronymgeek.com/HJKA. |
| Bluebook | HJKA, http://www.acronymgeek.com/HJKA (last visited February 16, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, HJKA, http://www.acronymgeek.com/HJKA (optional description here) (as of Feb. 16, 2012, 14:53). |
| AMA | HJKA. Acronym Geek. February 16, 2012, 14:53. Available at: http://www.acronymgeek.com/HJKA. Accessed February 16, 2012, 14:53. |