| APA | 1K. (2012, February 10). In Acronym Geek. Retrieved 09:38, February 10, 2012, from http://www.acronymgeek.com/1K |
| MLA | "1K." Acronym Geek. (2012). Acronym Geek. 10 Feb 2012 <http://www.acronymgeek.com/1K>. |
| MHRA | '1K', Acronym Geek, 10 February 2012, <http://www.acronymgeek.com/1K> [accessed 10 February 2012] |
| Chicago | "1K", http://www.acronymgeek.com/1K (accessed February 10, 2012). |
| CBE/CSE | 1K [Internet]. Acronym Geek; 2012 Feb 10 [cited 2012 Feb 10]. Available from: http://www.acronymgeek.com/1K. |
| Bluebook | 1K, http://www.acronymgeek.com/1K (last visited February 10, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, 1K, http://www.acronymgeek.com/1K (optional description here) (as of Feb. 10, 2012, 09:38). |
| AMA | 1K. Acronym Geek. February 10, 2012, 09:38. Available at: http://www.acronymgeek.com/1K. Accessed February 10, 2012, 09:38. |