| APA | SPEC GR. (2012, February 12). In Acronym Geek. Retrieved 07:51, February 12, 2012, from http://www.acronymgeek.com/SPEC GR |
| MLA | "SPEC GR." Acronym Geek. (2012). Acronym Geek. 12 Feb 2012 <http://www.acronymgeek.com/SPEC GR>. |
| MHRA | 'SPEC GR', Acronym Geek, 12 February 2012, <http://www.acronymgeek.com/SPEC GR> [accessed 12 February 2012] |
| Chicago | "SPEC GR", http://www.acronymgeek.com/SPEC GR (accessed February 12, 2012). |
| CBE/CSE | SPEC GR [Internet]. Acronym Geek; 2012 Feb 12 [cited 2012 Feb 12]. Available from: http://www.acronymgeek.com/SPEC GR. |
| Bluebook | SPEC GR, http://www.acronymgeek.com/SPEC GR (last visited February 12, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, SPEC GR, http://www.acronymgeek.com/SPEC GR (optional description here) (as of Feb. 12, 2012, 07:51). |
| AMA | SPEC GR. Acronym Geek. February 12, 2012, 07:51. Available at: http://www.acronymgeek.com/SPEC GR. Accessed February 12, 2012, 07:51. |