| APA | CRDO. (2012, February 16). In Acronym Geek. Retrieved 15:33, February 16, 2012, from http://www.acronymgeek.com/CRDO |
| MLA | "CRDO." Acronym Geek. (2012). Acronym Geek. 16 Feb 2012 <http://www.acronymgeek.com/CRDO>. |
| MHRA | 'CRDO', Acronym Geek, 16 February 2012, <http://www.acronymgeek.com/CRDO> [accessed 16 February 2012] |
| Chicago | "CRDO", http://www.acronymgeek.com/CRDO (accessed February 16, 2012). |
| CBE/CSE | CRDO [Internet]. Acronym Geek; 2012 Feb 16 [cited 2012 Feb 16]. Available from: http://www.acronymgeek.com/CRDO. |
| Bluebook | CRDO, http://www.acronymgeek.com/CRDO (last visited February 16, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, CRDO, http://www.acronymgeek.com/CRDO (optional description here) (as of Feb. 16, 2012, 15:33). |
| AMA | CRDO. Acronym Geek. February 16, 2012, 15:33. Available at: http://www.acronymgeek.com/CRDO. Accessed February 16, 2012, 15:33. |