| APA | CONTRA. (2012, February 12). In Acronym Geek. Retrieved 13:33, February 12, 2012, from http://www.acronymgeek.com/CONTRA |
| MLA | "CONTRA." Acronym Geek. (2012). Acronym Geek. 12 Feb 2012 <http://www.acronymgeek.com/CONTRA>. |
| MHRA | 'CONTRA', Acronym Geek, 12 February 2012, <http://www.acronymgeek.com/CONTRA> [accessed 12 February 2012] |
| Chicago | "CONTRA", http://www.acronymgeek.com/CONTRA (accessed February 12, 2012). |
| CBE/CSE | CONTRA [Internet]. Acronym Geek; 2012 Feb 12 [cited 2012 Feb 12]. Available from: http://www.acronymgeek.com/CONTRA. |
| Bluebook | CONTRA, http://www.acronymgeek.com/CONTRA (last visited February 12, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, CONTRA, http://www.acronymgeek.com/CONTRA (optional description here) (as of Feb. 12, 2012, 13:33). |
| AMA | CONTRA. Acronym Geek. February 12, 2012, 13:33. Available at: http://www.acronymgeek.com/CONTRA. Accessed February 12, 2012, 13:33. |