| APA | 2WO. (2012, February 14). In Acronym Geek. Retrieved 07:25, February 14, 2012, from http://www.acronymgeek.com/2WO |
| MLA | "2WO." Acronym Geek. (2012). Acronym Geek. 14 Feb 2012 <http://www.acronymgeek.com/2WO>. |
| MHRA | '2WO', Acronym Geek, 14 February 2012, <http://www.acronymgeek.com/2WO> [accessed 14 February 2012] |
| Chicago | "2WO", http://www.acronymgeek.com/2WO (accessed February 14, 2012). |
| CBE/CSE | 2WO [Internet]. Acronym Geek; 2012 Feb 14 [cited 2012 Feb 14]. Available from: http://www.acronymgeek.com/2WO. |
| Bluebook | 2WO, http://www.acronymgeek.com/2WO (last visited February 14, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, 2WO, http://www.acronymgeek.com/2WO (optional description here) (as of Feb. 14, 2012, 07:25). |
| AMA | 2WO. Acronym Geek. February 14, 2012, 07:25. Available at: http://www.acronymgeek.com/2WO. Accessed February 14, 2012, 07:25. |