| APA | 2IC. (2012, February 11). In Acronym Geek. Retrieved 22:29, February 11, 2012, from http://www.acronymgeek.com/2IC |
| MLA | "2IC." Acronym Geek. (2012). Acronym Geek. 11 Feb 2012 <http://www.acronymgeek.com/2IC>. |
| MHRA | '2IC', Acronym Geek, 11 February 2012, <http://www.acronymgeek.com/2IC> [accessed 11 February 2012] |
| Chicago | "2IC", http://www.acronymgeek.com/2IC (accessed February 11, 2012). |
| CBE/CSE | 2IC [Internet]. Acronym Geek; 2012 Feb 11 [cited 2012 Feb 11]. Available from: http://www.acronymgeek.com/2IC. |
| Bluebook | 2IC, http://www.acronymgeek.com/2IC (last visited February 11, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, 2IC, http://www.acronymgeek.com/2IC (optional description here) (as of Feb. 11, 2012, 22:29). |
| AMA | 2IC. Acronym Geek. February 11, 2012, 22:29. Available at: http://www.acronymgeek.com/2IC. Accessed February 11, 2012, 22:29. |