| APA | DSPI. (2012, February 15). In Acronym Geek. Retrieved 06:30, February 15, 2012, from http://www.acronymgeek.com/DSPI |
| MLA | "DSPI." Acronym Geek. (2012). Acronym Geek. 15 Feb 2012 <http://www.acronymgeek.com/DSPI>. |
| MHRA | 'DSPI', Acronym Geek, 15 February 2012, <http://www.acronymgeek.com/DSPI> [accessed 15 February 2012] |
| Chicago | "DSPI", http://www.acronymgeek.com/DSPI (accessed February 15, 2012). |
| CBE/CSE | DSPI [Internet]. Acronym Geek; 2012 Feb 15 [cited 2012 Feb 15]. Available from: http://www.acronymgeek.com/DSPI. |
| Bluebook | DSPI, http://www.acronymgeek.com/DSPI (last visited February 15, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, DSPI, http://www.acronymgeek.com/DSPI (optional description here) (as of Feb. 15, 2012, 06:30). |
| AMA | DSPI. Acronym Geek. February 15, 2012, 06:30. Available at: http://www.acronymgeek.com/DSPI. Accessed February 15, 2012, 06:30. |