| APA | KOES. (2012, February 15). In Acronym Geek. Retrieved 08:01, February 15, 2012, from http://www.acronymgeek.com/KOES |
| MLA | "KOES." Acronym Geek. (2012). Acronym Geek. 15 Feb 2012 <http://www.acronymgeek.com/KOES>. |
| MHRA | 'KOES', Acronym Geek, 15 February 2012, <http://www.acronymgeek.com/KOES> [accessed 15 February 2012] |
| Chicago | "KOES", http://www.acronymgeek.com/KOES (accessed February 15, 2012). |
| CBE/CSE | KOES [Internet]. Acronym Geek; 2012 Feb 15 [cited 2012 Feb 15]. Available from: http://www.acronymgeek.com/KOES. |
| Bluebook | KOES, http://www.acronymgeek.com/KOES (last visited February 15, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, KOES, http://www.acronymgeek.com/KOES (optional description here) (as of Feb. 15, 2012, 08:01). |
| AMA | KOES. Acronym Geek. February 15, 2012, 08:01. Available at: http://www.acronymgeek.com/KOES. Accessed February 15, 2012, 08:01. |