| APA | GRYP. (2012, February 17). In Acronym Geek. Retrieved 06:35, February 17, 2012, from http://www.acronymgeek.com/GRYP |
| MLA | "GRYP." Acronym Geek. (2012). Acronym Geek. 17 Feb 2012 <http://www.acronymgeek.com/GRYP>. |
| MHRA | 'GRYP', Acronym Geek, 17 February 2012, <http://www.acronymgeek.com/GRYP> [accessed 17 February 2012] |
| Chicago | "GRYP", http://www.acronymgeek.com/GRYP (accessed February 17, 2012). |
| CBE/CSE | GRYP [Internet]. Acronym Geek; 2012 Feb 17 [cited 2012 Feb 17]. Available from: http://www.acronymgeek.com/GRYP. |
| Bluebook | GRYP, http://www.acronymgeek.com/GRYP (last visited February 17, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, GRYP, http://www.acronymgeek.com/GRYP (optional description here) (as of Feb. 17, 2012, 06:35). |
| AMA | GRYP. Acronym Geek. February 17, 2012, 06:35. Available at: http://www.acronymgeek.com/GRYP. Accessed February 17, 2012, 06:35. |