| APA | NPDG. (2012, February 15). In Acronym Geek. Retrieved 10:57, February 15, 2012, from http://www.acronymgeek.com/NPDG |
| MLA | "NPDG." Acronym Geek. (2012). Acronym Geek. 15 Feb 2012 <http://www.acronymgeek.com/NPDG>. |
| MHRA | 'NPDG', Acronym Geek, 15 February 2012, <http://www.acronymgeek.com/NPDG> [accessed 15 February 2012] |
| Chicago | "NPDG", http://www.acronymgeek.com/NPDG (accessed February 15, 2012). |
| CBE/CSE | NPDG [Internet]. Acronym Geek; 2012 Feb 15 [cited 2012 Feb 15]. Available from: http://www.acronymgeek.com/NPDG. |
| Bluebook | NPDG, http://www.acronymgeek.com/NPDG (last visited February 15, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, NPDG, http://www.acronymgeek.com/NPDG (optional description here) (as of Feb. 15, 2012, 10:57). |
| AMA | NPDG. Acronym Geek. February 15, 2012, 10:57. Available at: http://www.acronymgeek.com/NPDG. Accessed February 15, 2012, 10:57. |