| APA | AF-ESPI. (2012, February 10). In Acronym Geek. Retrieved 10:06, February 10, 2012, from http://www.acronymgeek.com/AF-ESPI |
| MLA | "AF-ESPI." Acronym Geek. (2012). Acronym Geek. 10 Feb 2012 <http://www.acronymgeek.com/AF-ESPI>. |
| MHRA | 'AF-ESPI', Acronym Geek, 10 February 2012, <http://www.acronymgeek.com/AF-ESPI> [accessed 10 February 2012] |
| Chicago | "AF-ESPI", http://www.acronymgeek.com/AF-ESPI (accessed February 10, 2012). |
| CBE/CSE | AF-ESPI [Internet]. Acronym Geek; 2012 Feb 10 [cited 2012 Feb 10]. Available from: http://www.acronymgeek.com/AF-ESPI. |
| Bluebook | AF-ESPI, http://www.acronymgeek.com/AF-ESPI (last visited February 10, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, AF-ESPI, http://www.acronymgeek.com/AF-ESPI (optional description here) (as of Feb. 10, 2012, 10:06). |
| AMA | AF-ESPI. Acronym Geek. February 10, 2012, 10:06. Available at: http://www.acronymgeek.com/AF-ESPI. Accessed February 10, 2012, 10:06. |