| Style | Reference Text |
|---|
| APA | HKO. (2010, February 10). In Acronym Geek. Retrieved 04:42, February 10, 2010, from http://www.acronymgeek.com/HKO |
| MLA | "HKO." Acronym Geek. 10 Feb 2010, 04:42. Acronym Geek. 10 Feb 2010 <http://www.acronymgeek.com/HKO>. |
| MHRA | 'HKO', Acronym Geek, 10 February 2010, 04:42, <http://www.acronymgeek.com/HKO> [accessed 10 February 2010] |
| Chicago | "HKO," http://www.acronymgeek.com/HKO (accessed February 10, 2010). |
| CBE/CSE | HKO [Internet]. Acronym Geek; 2010 Feb 10, 04:42 [cited 2010 Feb 10]. Available from: http://www.acronymgeek.com/HKO. |
| Bluebook | HKO, http://www.acronymgeek.com/HKO (last visited February 10, 2010). |
| Bluebook: Harvard JOLT | See Acronym Geek, HKO, http://www.acronymgeek.com/HKO (optional description here) (as of Feb. 10, 2010, 04:42). |
| AMA | HKO. Acronym Geek. February 10, 2010, 04:42. Available at: http://www.acronymgeek.com/HKO. Accessed February 10, 2010. |
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