| APA | SPOP. (2012, February 15). In Acronym Geek. Retrieved 08:43, February 15, 2012, from http://www.acronymgeek.com/SPOP |
| MLA | "SPOP." Acronym Geek. (2012). Acronym Geek. 15 Feb 2012 <http://www.acronymgeek.com/SPOP>. |
| MHRA | 'SPOP', Acronym Geek, 15 February 2012, <http://www.acronymgeek.com/SPOP> [accessed 15 February 2012] |
| Chicago | "SPOP", http://www.acronymgeek.com/SPOP (accessed February 15, 2012). |
| CBE/CSE | SPOP [Internet]. Acronym Geek; 2012 Feb 15 [cited 2012 Feb 15]. Available from: http://www.acronymgeek.com/SPOP. |
| Bluebook | SPOP, http://www.acronymgeek.com/SPOP (last visited February 15, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, SPOP, http://www.acronymgeek.com/SPOP (optional description here) (as of Feb. 15, 2012, 08:43). |
| AMA | SPOP. Acronym Geek. February 15, 2012, 08:43. Available at: http://www.acronymgeek.com/SPOP. Accessed February 15, 2012, 08:43. |