| APA | HKOW. (2012, February 17). In Acronym Geek. Retrieved 02:06, February 17, 2012, from http://www.acronymgeek.com/HKOW |
| MLA | "HKOW." Acronym Geek. (2012). Acronym Geek. 17 Feb 2012 <http://www.acronymgeek.com/HKOW>. |
| MHRA | 'HKOW', Acronym Geek, 17 February 2012, <http://www.acronymgeek.com/HKOW> [accessed 17 February 2012] |
| Chicago | "HKOW", http://www.acronymgeek.com/HKOW (accessed February 17, 2012). |
| CBE/CSE | HKOW [Internet]. Acronym Geek; 2012 Feb 17 [cited 2012 Feb 17]. Available from: http://www.acronymgeek.com/HKOW. |
| Bluebook | HKOW, http://www.acronymgeek.com/HKOW (last visited February 17, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, HKOW, http://www.acronymgeek.com/HKOW (optional description here) (as of Feb. 17, 2012, 02:06). |
| AMA | HKOW. Acronym Geek. February 17, 2012, 02:06. Available at: http://www.acronymgeek.com/HKOW. Accessed February 17, 2012, 02:06. |