| APA | PNAK. (2012, February 16). In Acronym Geek. Retrieved 01:42, February 16, 2012, from http://www.acronymgeek.com/PNAK |
| MLA | "PNAK." Acronym Geek. (2012). Acronym Geek. 16 Feb 2012 <http://www.acronymgeek.com/PNAK>. |
| MHRA | 'PNAK', Acronym Geek, 16 February 2012, <http://www.acronymgeek.com/PNAK> [accessed 16 February 2012] |
| Chicago | "PNAK", http://www.acronymgeek.com/PNAK (accessed February 16, 2012). |
| CBE/CSE | PNAK [Internet]. Acronym Geek; 2012 Feb 16 [cited 2012 Feb 16]. Available from: http://www.acronymgeek.com/PNAK. |
| Bluebook | PNAK, http://www.acronymgeek.com/PNAK (last visited February 16, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, PNAK, http://www.acronymgeek.com/PNAK (optional description here) (as of Feb. 16, 2012, 01:42). |
| AMA | PNAK. Acronym Geek. February 16, 2012, 01:42. Available at: http://www.acronymgeek.com/PNAK. Accessed February 16, 2012, 01:42. |