| APA | NATU. (2012, February 15). In Acronym Geek. Retrieved 12:06, February 15, 2012, from http://www.acronymgeek.com/NATU |
| MLA | "NATU." Acronym Geek. (2012). Acronym Geek. 15 Feb 2012 <http://www.acronymgeek.com/NATU>. |
| MHRA | 'NATU', Acronym Geek, 15 February 2012, <http://www.acronymgeek.com/NATU> [accessed 15 February 2012] |
| Chicago | "NATU", http://www.acronymgeek.com/NATU (accessed February 15, 2012). |
| CBE/CSE | NATU [Internet]. Acronym Geek; 2012 Feb 15 [cited 2012 Feb 15]. Available from: http://www.acronymgeek.com/NATU. |
| Bluebook | NATU, http://www.acronymgeek.com/NATU (last visited February 15, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, NATU, http://www.acronymgeek.com/NATU (optional description here) (as of Feb. 15, 2012, 12:06). |
| AMA | NATU. Acronym Geek. February 15, 2012, 12:06. Available at: http://www.acronymgeek.com/NATU. Accessed February 15, 2012, 12:06. |