| APA | CGRN. (2012, February 9). In Acronym Geek. Retrieved 21:28, February 9, 2012, from http://www.acronymgeek.com/CGRN |
| MLA | "CGRN." Acronym Geek. (2012). Acronym Geek. 9 Feb 2012 <http://www.acronymgeek.com/CGRN>. |
| MHRA | 'CGRN', Acronym Geek, 9 February 2012, <http://www.acronymgeek.com/CGRN> [accessed 9 February 2012] |
| Chicago | "CGRN", http://www.acronymgeek.com/CGRN (accessed February 9, 2012). |
| CBE/CSE | CGRN [Internet]. Acronym Geek; 2012 Feb 9 [cited 2012 Feb 9]. Available from: http://www.acronymgeek.com/CGRN. |
| Bluebook | CGRN, http://www.acronymgeek.com/CGRN (last visited February 9, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, CGRN, http://www.acronymgeek.com/CGRN (optional description here) (as of Feb. 9, 2012, 21:28). |
| AMA | CGRN. Acronym Geek. February 9, 2012, 21:28. Available at: http://www.acronymgeek.com/CGRN. Accessed February 9, 2012, 21:28. |