| APA | EN/SPM. (2012, February 10). In Acronym Geek. Retrieved 08:18, February 10, 2012, from http://www.acronymgeek.com/EN/SPM |
| MLA | "EN/SPM." Acronym Geek. (2012). Acronym Geek. 10 Feb 2012 <http://www.acronymgeek.com/EN/SPM>. |
| MHRA | 'EN/SPM', Acronym Geek, 10 February 2012, <http://www.acronymgeek.com/EN/SPM> [accessed 10 February 2012] |
| Chicago | "EN/SPM", http://www.acronymgeek.com/EN/SPM (accessed February 10, 2012). |
| CBE/CSE | EN/SPM [Internet]. Acronym Geek; 2012 Feb 10 [cited 2012 Feb 10]. Available from: http://www.acronymgeek.com/EN/SPM. |
| Bluebook | EN/SPM, http://www.acronymgeek.com/EN/SPM (last visited February 10, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, EN/SPM, http://www.acronymgeek.com/EN/SPM (optional description here) (as of Feb. 10, 2012, 08:18). |
| AMA | EN/SPM. Acronym Geek. February 10, 2012, 08:18. Available at: http://www.acronymgeek.com/EN/SPM. Accessed February 10, 2012, 08:18. |