| APA | R5. (2012, February 14). In Acronym Geek. Retrieved 06:24, February 14, 2012, from http://www.acronymgeek.com/R5 |
| MLA | "R5." Acronym Geek. (2012). Acronym Geek. 14 Feb 2012 <http://www.acronymgeek.com/R5>. |
| MHRA | 'R5', Acronym Geek, 14 February 2012, <http://www.acronymgeek.com/R5> [accessed 14 February 2012] |
| Chicago | "R5", http://www.acronymgeek.com/R5 (accessed February 14, 2012). |
| CBE/CSE | R5 [Internet]. Acronym Geek; 2012 Feb 14 [cited 2012 Feb 14]. Available from: http://www.acronymgeek.com/R5. |
| Bluebook | R5, http://www.acronymgeek.com/R5 (last visited February 14, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, R5, http://www.acronymgeek.com/R5 (optional description here) (as of Feb. 14, 2012, 06:24). |
| AMA | R5. Acronym Geek. February 14, 2012, 06:24. Available at: http://www.acronymgeek.com/R5. Accessed February 14, 2012, 06:24. |