| APA | IFDO. (2012, February 17). In Acronym Geek. Retrieved 03:42, February 17, 2012, from http://www.acronymgeek.com/IFDO |
| MLA | "IFDO." Acronym Geek. (2012). Acronym Geek. 17 Feb 2012 <http://www.acronymgeek.com/IFDO>. |
| MHRA | 'IFDO', Acronym Geek, 17 February 2012, <http://www.acronymgeek.com/IFDO> [accessed 17 February 2012] |
| Chicago | "IFDO", http://www.acronymgeek.com/IFDO (accessed February 17, 2012). |
| CBE/CSE | IFDO [Internet]. Acronym Geek; 2012 Feb 17 [cited 2012 Feb 17]. Available from: http://www.acronymgeek.com/IFDO. |
| Bluebook | IFDO, http://www.acronymgeek.com/IFDO (last visited February 17, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, IFDO, http://www.acronymgeek.com/IFDO (optional description here) (as of Feb. 17, 2012, 03:42). |
| AMA | IFDO. Acronym Geek. February 17, 2012, 03:42. Available at: http://www.acronymgeek.com/IFDO. Accessed February 17, 2012, 03:42. |