| APA | OTNG. (2012, February 15). In Acronym Geek. Retrieved 08:30, February 15, 2012, from http://www.acronymgeek.com/OTNG |
| MLA | "OTNG." Acronym Geek. (2012). Acronym Geek. 15 Feb 2012 <http://www.acronymgeek.com/OTNG>. |
| MHRA | 'OTNG', Acronym Geek, 15 February 2012, <http://www.acronymgeek.com/OTNG> [accessed 15 February 2012] |
| Chicago | "OTNG", http://www.acronymgeek.com/OTNG (accessed February 15, 2012). |
| CBE/CSE | OTNG [Internet]. Acronym Geek; 2012 Feb 15 [cited 2012 Feb 15]. Available from: http://www.acronymgeek.com/OTNG. |
| Bluebook | OTNG, http://www.acronymgeek.com/OTNG (last visited February 15, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, OTNG, http://www.acronymgeek.com/OTNG (optional description here) (as of Feb. 15, 2012, 08:30). |
| AMA | OTNG. Acronym Geek. February 15, 2012, 08:30. Available at: http://www.acronymgeek.com/OTNG. Accessed February 15, 2012, 08:30. |