| APA | 864. (2012, February 11). In Acronym Geek. Retrieved 22:43, February 11, 2012, from http://www.acronymgeek.com/864 |
| MLA | "864." Acronym Geek. (2012). Acronym Geek. 11 Feb 2012 <http://www.acronymgeek.com/864>. |
| MHRA | '864', Acronym Geek, 11 February 2012, <http://www.acronymgeek.com/864> [accessed 11 February 2012] |
| Chicago | "864", http://www.acronymgeek.com/864 (accessed February 11, 2012). |
| CBE/CSE | 864 [Internet]. Acronym Geek; 2012 Feb 11 [cited 2012 Feb 11]. Available from: http://www.acronymgeek.com/864. |
| Bluebook | 864, http://www.acronymgeek.com/864 (last visited February 11, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, 864, http://www.acronymgeek.com/864 (optional description here) (as of Feb. 11, 2012, 22:43). |
| AMA | 864. Acronym Geek. February 11, 2012, 22:43. Available at: http://www.acronymgeek.com/864. Accessed February 11, 2012, 22:43. |