| APA | NTR. (2012, February 14). In Acronym Geek. Retrieved 11:33, February 14, 2012, from http://www.acronymgeek.com/NTR |
| MLA | "NTR." Acronym Geek. (2012). Acronym Geek. 14 Feb 2012 <http://www.acronymgeek.com/NTR>. |
| MHRA | 'NTR', Acronym Geek, 14 February 2012, <http://www.acronymgeek.com/NTR> [accessed 14 February 2012] |
| Chicago | "NTR", http://www.acronymgeek.com/NTR (accessed February 14, 2012). |
| CBE/CSE | NTR [Internet]. Acronym Geek; 2012 Feb 14 [cited 2012 Feb 14]. Available from: http://www.acronymgeek.com/NTR. |
| Bluebook | NTR, http://www.acronymgeek.com/NTR (last visited February 14, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, NTR, http://www.acronymgeek.com/NTR (optional description here) (as of Feb. 14, 2012, 11:33). |
| AMA | NTR. Acronym Geek. February 14, 2012, 11:33. Available at: http://www.acronymgeek.com/NTR. Accessed February 14, 2012, 11:33. |