| APA | EPK. (2012, February 14). In Acronym Geek. Retrieved 19:27, February 14, 2012, from http://www.acronymgeek.com/EPK |
| MLA | "EPK." Acronym Geek. (2012). Acronym Geek. 14 Feb 2012 <http://www.acronymgeek.com/EPK>. |
| MHRA | 'EPK', Acronym Geek, 14 February 2012, <http://www.acronymgeek.com/EPK> [accessed 14 February 2012] |
| Chicago | "EPK", http://www.acronymgeek.com/EPK (accessed February 14, 2012). |
| CBE/CSE | EPK [Internet]. Acronym Geek; 2012 Feb 14 [cited 2012 Feb 14]. Available from: http://www.acronymgeek.com/EPK. |
| Bluebook | EPK, http://www.acronymgeek.com/EPK (last visited February 14, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, EPK, http://www.acronymgeek.com/EPK (optional description here) (as of Feb. 14, 2012, 19:27). |
| AMA | EPK. Acronym Geek. February 14, 2012, 19:27. Available at: http://www.acronymgeek.com/EPK. Accessed February 14, 2012, 19:27. |