| APA | NEPA. (2012, February 9). In Acronym Geek. Retrieved 03:57, February 9, 2012, from http://www.acronymgeek.com/NEPA |
| MLA | "NEPA." Acronym Geek. (2012). Acronym Geek. 9 Feb 2012 <http://www.acronymgeek.com/NEPA>. |
| MHRA | 'NEPA', Acronym Geek, 9 February 2012, <http://www.acronymgeek.com/NEPA> [accessed 9 February 2012] |
| Chicago | "NEPA", http://www.acronymgeek.com/NEPA (accessed February 9, 2012). |
| CBE/CSE | NEPA [Internet]. Acronym Geek; 2012 Feb 9 [cited 2012 Feb 9]. Available from: http://www.acronymgeek.com/NEPA. |
| Bluebook | NEPA, http://www.acronymgeek.com/NEPA (last visited February 9, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, NEPA, http://www.acronymgeek.com/NEPA (optional description here) (as of Feb. 9, 2012, 03:57). |
| AMA | NEPA. Acronym Geek. February 9, 2012, 03:57. Available at: http://www.acronymgeek.com/NEPA. Accessed February 9, 2012, 03:57. |