| APA | IDKO. (2012, February 16). In Acronym Geek. Retrieved 03:02, February 16, 2012, from http://www.acronymgeek.com/IDKO |
| MLA | "IDKO." Acronym Geek. (2012). Acronym Geek. 16 Feb 2012 <http://www.acronymgeek.com/IDKO>. |
| MHRA | 'IDKO', Acronym Geek, 16 February 2012, <http://www.acronymgeek.com/IDKO> [accessed 16 February 2012] |
| Chicago | "IDKO", http://www.acronymgeek.com/IDKO (accessed February 16, 2012). |
| CBE/CSE | IDKO [Internet]. Acronym Geek; 2012 Feb 16 [cited 2012 Feb 16]. Available from: http://www.acronymgeek.com/IDKO. |
| Bluebook | IDKO, http://www.acronymgeek.com/IDKO (last visited February 16, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, IDKO, http://www.acronymgeek.com/IDKO (optional description here) (as of Feb. 16, 2012, 03:02). |
| AMA | IDKO. Acronym Geek. February 16, 2012, 03:02. Available at: http://www.acronymgeek.com/IDKO. Accessed February 16, 2012, 03:02. |