| APA | NGSS. (2012, February 15). In Acronym Geek. Retrieved 10:14, February 15, 2012, from http://www.acronymgeek.com/NGSS |
| MLA | "NGSS." Acronym Geek. (2012). Acronym Geek. 15 Feb 2012 <http://www.acronymgeek.com/NGSS>. |
| MHRA | 'NGSS', Acronym Geek, 15 February 2012, <http://www.acronymgeek.com/NGSS> [accessed 15 February 2012] |
| Chicago | "NGSS", http://www.acronymgeek.com/NGSS (accessed February 15, 2012). |
| CBE/CSE | NGSS [Internet]. Acronym Geek; 2012 Feb 15 [cited 2012 Feb 15]. Available from: http://www.acronymgeek.com/NGSS. |
| Bluebook | NGSS, http://www.acronymgeek.com/NGSS (last visited February 15, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, NGSS, http://www.acronymgeek.com/NGSS (optional description here) (as of Feb. 15, 2012, 10:14). |
| AMA | NGSS. Acronym Geek. February 15, 2012, 10:14. Available at: http://www.acronymgeek.com/NGSS. Accessed February 15, 2012, 10:14. |