| APA | S/PDIF. (2012, February 12). In Acronym Geek. Retrieved 11:23, February 12, 2012, from http://www.acronymgeek.com/S/PDIF |
| MLA | "S/PDIF." Acronym Geek. (2012). Acronym Geek. 12 Feb 2012 <http://www.acronymgeek.com/S/PDIF>. |
| MHRA | 'S/PDIF', Acronym Geek, 12 February 2012, <http://www.acronymgeek.com/S/PDIF> [accessed 12 February 2012] |
| Chicago | "S/PDIF", http://www.acronymgeek.com/S/PDIF (accessed February 12, 2012). |
| CBE/CSE | S/PDIF [Internet]. Acronym Geek; 2012 Feb 12 [cited 2012 Feb 12]. Available from: http://www.acronymgeek.com/S/PDIF. |
| Bluebook | S/PDIF, http://www.acronymgeek.com/S/PDIF (last visited February 12, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, S/PDIF, http://www.acronymgeek.com/S/PDIF (optional description here) (as of Feb. 12, 2012, 11:23). |
| AMA | S/PDIF. Acronym Geek. February 12, 2012, 11:23. Available at: http://www.acronymgeek.com/S/PDIF. Accessed February 12, 2012, 11:23. |