| APA | ILL.. (2012, February 11). In Acronym Geek. Retrieved 22:11, February 11, 2012, from http://www.acronymgeek.com/ILL. |
| MLA | "ILL.." Acronym Geek. (2012). Acronym Geek. 11 Feb 2012 <http://www.acronymgeek.com/ILL.>. |
| MHRA | 'ILL.', Acronym Geek, 11 February 2012, <http://www.acronymgeek.com/ILL.> [accessed 11 February 2012] |
| Chicago | "ILL.", http://www.acronymgeek.com/ILL. (accessed February 11, 2012). |
| CBE/CSE | ILL. [Internet]. Acronym Geek; 2012 Feb 11 [cited 2012 Feb 11]. Available from: http://www.acronymgeek.com/ILL.. |
| Bluebook | ILL., http://www.acronymgeek.com/ILL. (last visited February 11, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, ILL., http://www.acronymgeek.com/ILL. (optional description here) (as of Feb. 11, 2012, 22:11). |
| AMA | ILL.. Acronym Geek. February 11, 2012, 22:11. Available at: http://www.acronymgeek.com/ILL.. Accessed February 11, 2012, 22:11. |