| APA | W2O. (2012, February 14). In Acronym Geek. Retrieved 07:30, February 14, 2012, from http://www.acronymgeek.com/W2O |
| MLA | "W2O." Acronym Geek. (2012). Acronym Geek. 14 Feb 2012 <http://www.acronymgeek.com/W2O>. |
| MHRA | 'W2O', Acronym Geek, 14 February 2012, <http://www.acronymgeek.com/W2O> [accessed 14 February 2012] |
| Chicago | "W2O", http://www.acronymgeek.com/W2O (accessed February 14, 2012). |
| CBE/CSE | W2O [Internet]. Acronym Geek; 2012 Feb 14 [cited 2012 Feb 14]. Available from: http://www.acronymgeek.com/W2O. |
| Bluebook | W2O, http://www.acronymgeek.com/W2O (last visited February 14, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, W2O, http://www.acronymgeek.com/W2O (optional description here) (as of Feb. 14, 2012, 07:30). |
| AMA | W2O. Acronym Geek. February 14, 2012, 07:30. Available at: http://www.acronymgeek.com/W2O. Accessed February 14, 2012, 07:30. |