| APA | SPE-PEM. (2012, February 12). In Acronym Geek. Retrieved 11:15, February 12, 2012, from http://www.acronymgeek.com/SPE-PEM |
| MLA | "SPE-PEM." Acronym Geek. (2012). Acronym Geek. 12 Feb 2012 <http://www.acronymgeek.com/SPE-PEM>. |
| MHRA | 'SPE-PEM', Acronym Geek, 12 February 2012, <http://www.acronymgeek.com/SPE-PEM> [accessed 12 February 2012] |
| Chicago | "SPE-PEM", http://www.acronymgeek.com/SPE-PEM (accessed February 12, 2012). |
| CBE/CSE | SPE-PEM [Internet]. Acronym Geek; 2012 Feb 12 [cited 2012 Feb 12]. Available from: http://www.acronymgeek.com/SPE-PEM. |
| Bluebook | SPE-PEM, http://www.acronymgeek.com/SPE-PEM (last visited February 12, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, SPE-PEM, http://www.acronymgeek.com/SPE-PEM (optional description here) (as of Feb. 12, 2012, 11:15). |
| AMA | SPE-PEM. Acronym Geek. February 12, 2012, 11:15. Available at: http://www.acronymgeek.com/SPE-PEM. Accessed February 12, 2012, 11:15. |