| APA | ESPL. (2012, February 17). In Acronym Geek. Retrieved 03:42, February 17, 2012, from http://www.acronymgeek.com/ESPL |
| MLA | "ESPL." Acronym Geek. (2012). Acronym Geek. 17 Feb 2012 <http://www.acronymgeek.com/ESPL>. |
| MHRA | 'ESPL', Acronym Geek, 17 February 2012, <http://www.acronymgeek.com/ESPL> [accessed 17 February 2012] |
| Chicago | "ESPL", http://www.acronymgeek.com/ESPL (accessed February 17, 2012). |
| CBE/CSE | ESPL [Internet]. Acronym Geek; 2012 Feb 17 [cited 2012 Feb 17]. Available from: http://www.acronymgeek.com/ESPL. |
| Bluebook | ESPL, http://www.acronymgeek.com/ESPL (last visited February 17, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, ESPL, http://www.acronymgeek.com/ESPL (optional description here) (as of Feb. 17, 2012, 03:42). |
| AMA | ESPL. Acronym Geek. February 17, 2012, 03:42. Available at: http://www.acronymgeek.com/ESPL. Accessed February 17, 2012, 03:42. |