| APA | PKG. (2012, February 13). In Acronym Geek. Retrieved 21:53, February 13, 2012, from http://www.acronymgeek.com/PKG |
| MLA | "PKG." Acronym Geek. (2012). Acronym Geek. 13 Feb 2012 <http://www.acronymgeek.com/PKG>. |
| MHRA | 'PKG', Acronym Geek, 13 February 2012, <http://www.acronymgeek.com/PKG> [accessed 13 February 2012] |
| Chicago | "PKG", http://www.acronymgeek.com/PKG (accessed February 13, 2012). |
| CBE/CSE | PKG [Internet]. Acronym Geek; 2012 Feb 13 [cited 2012 Feb 13]. Available from: http://www.acronymgeek.com/PKG. |
| Bluebook | PKG, http://www.acronymgeek.com/PKG (last visited February 13, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, PKG, http://www.acronymgeek.com/PKG (optional description here) (as of Feb. 13, 2012, 21:53). |
| AMA | PKG. Acronym Geek. February 13, 2012, 21:53. Available at: http://www.acronymgeek.com/PKG. Accessed February 13, 2012, 21:53. |