| APA | IFOP. (2012, February 14). In Acronym Geek. Retrieved 15:52, February 14, 2012, from http://www.acronymgeek.com/IFOP |
| MLA | "IFOP." Acronym Geek. (2012). Acronym Geek. 14 Feb 2012 <http://www.acronymgeek.com/IFOP>. |
| MHRA | 'IFOP', Acronym Geek, 14 February 2012, <http://www.acronymgeek.com/IFOP> [accessed 14 February 2012] |
| Chicago | "IFOP", http://www.acronymgeek.com/IFOP (accessed February 14, 2012). |
| CBE/CSE | IFOP [Internet]. Acronym Geek; 2012 Feb 14 [cited 2012 Feb 14]. Available from: http://www.acronymgeek.com/IFOP. |
| Bluebook | IFOP, http://www.acronymgeek.com/IFOP (last visited February 14, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, IFOP, http://www.acronymgeek.com/IFOP (optional description here) (as of Feb. 14, 2012, 15:52). |
| AMA | IFOP. Acronym Geek. February 14, 2012, 15:52. Available at: http://www.acronymgeek.com/IFOP. Accessed February 14, 2012, 15:52. |