| APA | GRAV. (2012, February 15). In Acronym Geek. Retrieved 05:46, February 15, 2012, from http://www.acronymgeek.com/GRAV |
| MLA | "GRAV." Acronym Geek. (2012). Acronym Geek. 15 Feb 2012 <http://www.acronymgeek.com/GRAV>. |
| MHRA | 'GRAV', Acronym Geek, 15 February 2012, <http://www.acronymgeek.com/GRAV> [accessed 15 February 2012] |
| Chicago | "GRAV", http://www.acronymgeek.com/GRAV (accessed February 15, 2012). |
| CBE/CSE | GRAV [Internet]. Acronym Geek; 2012 Feb 15 [cited 2012 Feb 15]. Available from: http://www.acronymgeek.com/GRAV. |
| Bluebook | GRAV, http://www.acronymgeek.com/GRAV (last visited February 15, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, GRAV, http://www.acronymgeek.com/GRAV (optional description here) (as of Feb. 15, 2012, 05:46). |
| AMA | GRAV. Acronym Geek. February 15, 2012, 05:46. Available at: http://www.acronymgeek.com/GRAV. Accessed February 15, 2012, 05:46. |