| APA | KEIN. (2012, February 14). In Acronym Geek. Retrieved 20:24, February 14, 2012, from http://www.acronymgeek.com/KEIN |
| MLA | "KEIN." Acronym Geek. (2012). Acronym Geek. 14 Feb 2012 <http://www.acronymgeek.com/KEIN>. |
| MHRA | 'KEIN', Acronym Geek, 14 February 2012, <http://www.acronymgeek.com/KEIN> [accessed 14 February 2012] |
| Chicago | "KEIN", http://www.acronymgeek.com/KEIN (accessed February 14, 2012). |
| CBE/CSE | KEIN [Internet]. Acronym Geek; 2012 Feb 14 [cited 2012 Feb 14]. Available from: http://www.acronymgeek.com/KEIN. |
| Bluebook | KEIN, http://www.acronymgeek.com/KEIN (last visited February 14, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, KEIN, http://www.acronymgeek.com/KEIN (optional description here) (as of Feb. 14, 2012, 20:24). |
| AMA | KEIN. Acronym Geek. February 14, 2012, 20:24. Available at: http://www.acronymgeek.com/KEIN. Accessed February 14, 2012, 20:24. |