| APA | RA-218. (2012, February 12). In Acronym Geek. Retrieved 13:16, February 12, 2012, from http://www.acronymgeek.com/RA-218 |
| MLA | "RA-218." Acronym Geek. (2012). Acronym Geek. 12 Feb 2012 <http://www.acronymgeek.com/RA-218>. |
| MHRA | 'RA-218', Acronym Geek, 12 February 2012, <http://www.acronymgeek.com/RA-218> [accessed 12 February 2012] |
| Chicago | "RA-218", http://www.acronymgeek.com/RA-218 (accessed February 12, 2012). |
| CBE/CSE | RA-218 [Internet]. Acronym Geek; 2012 Feb 12 [cited 2012 Feb 12]. Available from: http://www.acronymgeek.com/RA-218. |
| Bluebook | RA-218, http://www.acronymgeek.com/RA-218 (last visited February 12, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, RA-218, http://www.acronymgeek.com/RA-218 (optional description here) (as of Feb. 12, 2012, 13:16). |
| AMA | RA-218. Acronym Geek. February 12, 2012, 13:16. Available at: http://www.acronymgeek.com/RA-218. Accessed February 12, 2012, 13:16. |