| APA | ICQ. (2012, February 10). In Acronym Geek. Retrieved 16:59, February 10, 2012, from http://www.acronymgeek.com/ICQ |
| MLA | "ICQ." Acronym Geek. (2012). Acronym Geek. 10 Feb 2012 <http://www.acronymgeek.com/ICQ>. |
| MHRA | 'ICQ', Acronym Geek, 10 February 2012, <http://www.acronymgeek.com/ICQ> [accessed 10 February 2012] |
| Chicago | "ICQ", http://www.acronymgeek.com/ICQ (accessed February 10, 2012). |
| CBE/CSE | ICQ [Internet]. Acronym Geek; 2012 Feb 10 [cited 2012 Feb 10]. Available from: http://www.acronymgeek.com/ICQ. |
| Bluebook | ICQ, http://www.acronymgeek.com/ICQ (last visited February 10, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, ICQ, http://www.acronymgeek.com/ICQ (optional description here) (as of Feb. 10, 2012, 16:59). |
| AMA | ICQ. Acronym Geek. February 10, 2012, 16:59. Available at: http://www.acronymgeek.com/ICQ. Accessed February 10, 2012, 16:59. |