| Style | Reference Text |
|---|
| APA | S4I. (2010, March 16). In Acronym Geek. Retrieved 06:37, March 16, 2010, from http://www.acronymgeek.com/S4I |
| MLA | "S4I." Acronym Geek. 16 Mar 2010, 06:37. Acronym Geek. 16 Mar 2010 <http://www.acronymgeek.com/S4I>. |
| MHRA | 'S4I', Acronym Geek, 16 March 2010, 06:37, <http://www.acronymgeek.com/S4I> [accessed 16 March 2010] |
| Chicago | "S4I," http://www.acronymgeek.com/S4I (accessed March 16, 2010). |
| CBE/CSE | S4I [Internet]. Acronym Geek; 2010 Mar 16, 06:37 [cited 2010 Mar 16]. Available from: http://www.acronymgeek.com/S4I. |
| Bluebook | S4I, http://www.acronymgeek.com/S4I (last visited March 16, 2010). |
| Bluebook: Harvard JOLT | See Acronym Geek, S4I, http://www.acronymgeek.com/S4I (optional description here) (as of Mar. 16, 2010, 06:37). |
| AMA | S4I. Acronym Geek. March 16, 2010, 06:37. Available at: http://www.acronymgeek.com/S4I. Accessed March 16, 2010. |
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