| APA | G4R. (2012, February 14). In Acronym Geek. Retrieved 10:12, February 14, 2012, from http://www.acronymgeek.com/G4R |
| MLA | "G4R." Acronym Geek. (2012). Acronym Geek. 14 Feb 2012 <http://www.acronymgeek.com/G4R>. |
| MHRA | 'G4R', Acronym Geek, 14 February 2012, <http://www.acronymgeek.com/G4R> [accessed 14 February 2012] |
| Chicago | "G4R", http://www.acronymgeek.com/G4R (accessed February 14, 2012). |
| CBE/CSE | G4R [Internet]. Acronym Geek; 2012 Feb 14 [cited 2012 Feb 14]. Available from: http://www.acronymgeek.com/G4R. |
| Bluebook | G4R, http://www.acronymgeek.com/G4R (last visited February 14, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, G4R, http://www.acronymgeek.com/G4R (optional description here) (as of Feb. 14, 2012, 10:12). |
| AMA | G4R. Acronym Geek. February 14, 2012, 10:12. Available at: http://www.acronymgeek.com/G4R. Accessed February 14, 2012, 10:12. |