| APA | KHCO. (2012, February 11). In Acronym Geek. Retrieved 17:13, February 11, 2012, from http://www.acronymgeek.com/KHCO |
| MLA | "KHCO." Acronym Geek. (2012). Acronym Geek. 11 Feb 2012 <http://www.acronymgeek.com/KHCO>. |
| MHRA | 'KHCO', Acronym Geek, 11 February 2012, <http://www.acronymgeek.com/KHCO> [accessed 11 February 2012] |
| Chicago | "KHCO", http://www.acronymgeek.com/KHCO (accessed February 11, 2012). |
| CBE/CSE | KHCO [Internet]. Acronym Geek; 2012 Feb 11 [cited 2012 Feb 11]. Available from: http://www.acronymgeek.com/KHCO. |
| Bluebook | KHCO, http://www.acronymgeek.com/KHCO (last visited February 11, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, KHCO, http://www.acronymgeek.com/KHCO (optional description here) (as of Feb. 11, 2012, 17:13). |
| AMA | KHCO. Acronym Geek. February 11, 2012, 17:13. Available at: http://www.acronymgeek.com/KHCO. Accessed February 11, 2012, 17:13. |