| APA | 268. (2012, February 11). In Acronym Geek. Retrieved 22:29, February 11, 2012, from http://www.acronymgeek.com/268 |
| MLA | "268." Acronym Geek. (2012). Acronym Geek. 11 Feb 2012 <http://www.acronymgeek.com/268>. |
| MHRA | '268', Acronym Geek, 11 February 2012, <http://www.acronymgeek.com/268> [accessed 11 February 2012] |
| Chicago | "268", http://www.acronymgeek.com/268 (accessed February 11, 2012). |
| CBE/CSE | 268 [Internet]. Acronym Geek; 2012 Feb 11 [cited 2012 Feb 11]. Available from: http://www.acronymgeek.com/268. |
| Bluebook | 268, http://www.acronymgeek.com/268 (last visited February 11, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, 268, http://www.acronymgeek.com/268 (optional description here) (as of Feb. 11, 2012, 22:29). |
| AMA | 268. Acronym Geek. February 11, 2012, 22:29. Available at: http://www.acronymgeek.com/268. Accessed February 11, 2012, 22:29. |