| APA | Regimanuel Gray (RG). (2012, February 13). In Acronym Geek. Retrieved 22:30, February 13, 2012, from http://www.acronymgeek.com/RG/Regimanuel_Gray |
| MLA | "Regimanuel Gray (RG)." Acronym Geek. (2012). Acronym Geek. 13 Feb 2012 <http://www.acronymgeek.com/RG/Regimanuel_Gray>. |
| MHRA | 'Regimanuel Gray (RG)', Acronym Geek, 13 February 2012, <http://www.acronymgeek.com/RG/Regimanuel_Gray> [accessed 13 February 2012] |
| Chicago | "Regimanuel Gray (RG)", http://www.acronymgeek.com/RG/Regimanuel_Gray (accessed February 13, 2012). |
| CBE/CSE | Regimanuel Gray (RG) [Internet]. Acronym Geek; 2012 Feb 13 [cited 2012 Feb 13]. Available from: http://www.acronymgeek.com/RG/Regimanuel_Gray. |
| Bluebook | Regimanuel Gray (RG), http://www.acronymgeek.com/RG/Regimanuel_Gray (last visited February 13, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, Regimanuel Gray (RG), http://www.acronymgeek.com/RG/Regimanuel_Gray (optional description here) (as of Feb. 13, 2012, 22:30). |
| AMA | Regimanuel Gray (RG). Acronym Geek. February 13, 2012, 22:30. Available at: http://www.acronymgeek.com/RG/Regimanuel_Gray. Accessed February 13, 2012, 22:30. |