| APA | EPA. (2012, February 14). In Acronym Geek. Retrieved 03:48, February 14, 2012, from http://www.acronymgeek.com/EPA |
| MLA | "EPA." Acronym Geek. (2012). Acronym Geek. 14 Feb 2012 <http://www.acronymgeek.com/EPA>. |
| MHRA | 'EPA', Acronym Geek, 14 February 2012, <http://www.acronymgeek.com/EPA> [accessed 14 February 2012] |
| Chicago | "EPA", http://www.acronymgeek.com/EPA (accessed February 14, 2012). |
| CBE/CSE | EPA [Internet]. Acronym Geek; 2012 Feb 14 [cited 2012 Feb 14]. Available from: http://www.acronymgeek.com/EPA. |
| Bluebook | EPA, http://www.acronymgeek.com/EPA (last visited February 14, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, EPA, http://www.acronymgeek.com/EPA (optional description here) (as of Feb. 14, 2012, 03:48). |
| AMA | EPA. Acronym Geek. February 14, 2012, 03:48. Available at: http://www.acronymgeek.com/EPA. Accessed February 14, 2012, 03:48. |