| APA | KCS. (2012, February 13). In Acronym Geek. Retrieved 21:05, February 13, 2012, from http://www.acronymgeek.com/KCS |
| MLA | "KCS." Acronym Geek. (2012). Acronym Geek. 13 Feb 2012 <http://www.acronymgeek.com/KCS>. |
| MHRA | 'KCS', Acronym Geek, 13 February 2012, <http://www.acronymgeek.com/KCS> [accessed 13 February 2012] |
| Chicago | "KCS", http://www.acronymgeek.com/KCS (accessed February 13, 2012). |
| CBE/CSE | KCS [Internet]. Acronym Geek; 2012 Feb 13 [cited 2012 Feb 13]. Available from: http://www.acronymgeek.com/KCS. |
| Bluebook | KCS, http://www.acronymgeek.com/KCS (last visited February 13, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, KCS, http://www.acronymgeek.com/KCS (optional description here) (as of Feb. 13, 2012, 21:05). |
| AMA | KCS. Acronym Geek. February 13, 2012, 21:05. Available at: http://www.acronymgeek.com/KCS. Accessed February 13, 2012, 21:05. |