| Style | Reference Text |
|---|
| APA | SPE/SPI. (2010, February 10). In Acronym Geek. Retrieved 01:58, February 10, 2010, from http://www.acronymgeek.com/SPE%2FSPI |
| MLA | "SPE/SPI." Acronym Geek. 10 Feb 2010, 01:58. Acronym Geek. 10 Feb 2010 <http://www.acronymgeek.com/SPE%2FSPI>. |
| MHRA | 'SPE/SPI', Acronym Geek, 10 February 2010, 01:58, <http://www.acronymgeek.com/SPE%2FSPI> [accessed 10 February 2010] |
| Chicago | "SPE/SPI," http://www.acronymgeek.com/SPE%2FSPI (accessed February 10, 2010). |
| CBE/CSE | SPE/SPI [Internet]. Acronym Geek; 2010 Feb 10, 01:58 [cited 2010 Feb 10]. Available from: http://www.acronymgeek.com/SPE%2FSPI. |
| Bluebook | SPE/SPI, http://www.acronymgeek.com/SPE%2FSPI (last visited February 10, 2010). |
| Bluebook: Harvard JOLT | See Acronym Geek, SPE/SPI, http://www.acronymgeek.com/SPE%2FSPI (optional description here) (as of Feb. 10, 2010, 01:58). |
| AMA | SPE/SPI. Acronym Geek. February 10, 2010, 01:58. Available at: http://www.acronymgeek.com/SPE%2FSPI. Accessed February 10, 2010. |