| APA | CROI. (2012, February 16). In Acronym Geek. Retrieved 16:48, February 16, 2012, from http://www.acronymgeek.com/CROI |
| MLA | "CROI." Acronym Geek. (2012). Acronym Geek. 16 Feb 2012 <http://www.acronymgeek.com/CROI>. |
| MHRA | 'CROI', Acronym Geek, 16 February 2012, <http://www.acronymgeek.com/CROI> [accessed 16 February 2012] |
| Chicago | "CROI", http://www.acronymgeek.com/CROI (accessed February 16, 2012). |
| CBE/CSE | CROI [Internet]. Acronym Geek; 2012 Feb 16 [cited 2012 Feb 16]. Available from: http://www.acronymgeek.com/CROI. |
| Bluebook | CROI, http://www.acronymgeek.com/CROI (last visited February 16, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, CROI, http://www.acronymgeek.com/CROI (optional description here) (as of Feb. 16, 2012, 16:48). |
| AMA | CROI. Acronym Geek. February 16, 2012, 16:48. Available at: http://www.acronymgeek.com/CROI. Accessed February 16, 2012, 16:48. |