| APA | J2O. (2012, February 14). In Acronym Geek. Retrieved 09:37, February 14, 2012, from http://www.acronymgeek.com/J2O |
| MLA | "J2O." Acronym Geek. (2012). Acronym Geek. 14 Feb 2012 <http://www.acronymgeek.com/J2O>. |
| MHRA | 'J2O', Acronym Geek, 14 February 2012, <http://www.acronymgeek.com/J2O> [accessed 14 February 2012] |
| Chicago | "J2O", http://www.acronymgeek.com/J2O (accessed February 14, 2012). |
| CBE/CSE | J2O [Internet]. Acronym Geek; 2012 Feb 14 [cited 2012 Feb 14]. Available from: http://www.acronymgeek.com/J2O. |
| Bluebook | J2O, http://www.acronymgeek.com/J2O (last visited February 14, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, J2O, http://www.acronymgeek.com/J2O (optional description here) (as of Feb. 14, 2012, 09:37). |
| AMA | J2O. Acronym Geek. February 14, 2012, 09:37. Available at: http://www.acronymgeek.com/J2O. Accessed February 14, 2012, 09:37. |