| APA | IDYF. (2012, February 15). In Acronym Geek. Retrieved 09:06, February 15, 2012, from http://www.acronymgeek.com/IDYF |
| MLA | "IDYF." Acronym Geek. (2012). Acronym Geek. 15 Feb 2012 <http://www.acronymgeek.com/IDYF>. |
| MHRA | 'IDYF', Acronym Geek, 15 February 2012, <http://www.acronymgeek.com/IDYF> [accessed 15 February 2012] |
| Chicago | "IDYF", http://www.acronymgeek.com/IDYF (accessed February 15, 2012). |
| CBE/CSE | IDYF [Internet]. Acronym Geek; 2012 Feb 15 [cited 2012 Feb 15]. Available from: http://www.acronymgeek.com/IDYF. |
| Bluebook | IDYF, http://www.acronymgeek.com/IDYF (last visited February 15, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, IDYF, http://www.acronymgeek.com/IDYF (optional description here) (as of Feb. 15, 2012, 09:06). |
| AMA | IDYF. Acronym Geek. February 15, 2012, 09:06. Available at: http://www.acronymgeek.com/IDYF. Accessed February 15, 2012, 09:06. |