| APA | RS-232C. (2012, February 12). In Acronym Geek. Retrieved 09:21, February 12, 2012, from http://www.acronymgeek.com/RS-232C |
| MLA | "RS-232C." Acronym Geek. (2012). Acronym Geek. 12 Feb 2012 <http://www.acronymgeek.com/RS-232C>. |
| MHRA | 'RS-232C', Acronym Geek, 12 February 2012, <http://www.acronymgeek.com/RS-232C> [accessed 12 February 2012] |
| Chicago | "RS-232C", http://www.acronymgeek.com/RS-232C (accessed February 12, 2012). |
| CBE/CSE | RS-232C [Internet]. Acronym Geek; 2012 Feb 12 [cited 2012 Feb 12]. Available from: http://www.acronymgeek.com/RS-232C. |
| Bluebook | RS-232C, http://www.acronymgeek.com/RS-232C (last visited February 12, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, RS-232C, http://www.acronymgeek.com/RS-232C (optional description here) (as of Feb. 12, 2012, 09:21). |
| AMA | RS-232C. Acronym Geek. February 12, 2012, 09:21. Available at: http://www.acronymgeek.com/RS-232C. Accessed February 12, 2012, 09:21. |