| APA | GRCN. (2012, February 17). In Acronym Geek. Retrieved 01:23, February 17, 2012, from http://www.acronymgeek.com/GRCN |
| MLA | "GRCN." Acronym Geek. (2012). Acronym Geek. 17 Feb 2012 <http://www.acronymgeek.com/GRCN>. |
| MHRA | 'GRCN', Acronym Geek, 17 February 2012, <http://www.acronymgeek.com/GRCN> [accessed 17 February 2012] |
| Chicago | "GRCN", http://www.acronymgeek.com/GRCN (accessed February 17, 2012). |
| CBE/CSE | GRCN [Internet]. Acronym Geek; 2012 Feb 17 [cited 2012 Feb 17]. Available from: http://www.acronymgeek.com/GRCN. |
| Bluebook | GRCN, http://www.acronymgeek.com/GRCN (last visited February 17, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, GRCN, http://www.acronymgeek.com/GRCN (optional description here) (as of Feb. 17, 2012, 01:23). |
| AMA | GRCN. Acronym Geek. February 17, 2012, 01:23. Available at: http://www.acronymgeek.com/GRCN. Accessed February 17, 2012, 01:23. |