| APA | RTOP. (2012, February 17). In Acronym Geek. Retrieved 07:30, February 17, 2012, from http://www.acronymgeek.com/RTOP |
| MLA | "RTOP." Acronym Geek. (2012). Acronym Geek. 17 Feb 2012 <http://www.acronymgeek.com/RTOP>. |
| MHRA | 'RTOP', Acronym Geek, 17 February 2012, <http://www.acronymgeek.com/RTOP> [accessed 17 February 2012] |
| Chicago | "RTOP", http://www.acronymgeek.com/RTOP (accessed February 17, 2012). |
| CBE/CSE | RTOP [Internet]. Acronym Geek; 2012 Feb 17 [cited 2012 Feb 17]. Available from: http://www.acronymgeek.com/RTOP. |
| Bluebook | RTOP, http://www.acronymgeek.com/RTOP (last visited February 17, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, RTOP, http://www.acronymgeek.com/RTOP (optional description here) (as of Feb. 17, 2012, 07:30). |
| AMA | RTOP. Acronym Geek. February 17, 2012, 07:30. Available at: http://www.acronymgeek.com/RTOP. Accessed February 17, 2012, 07:30. |