| APA | SPECTRUM. (2012, February 12). In Acronym Geek. Retrieved 11:30, February 12, 2012, from http://www.acronymgeek.com/SPECTRUM |
| MLA | "SPECTRUM." Acronym Geek. (2012). Acronym Geek. 12 Feb 2012 <http://www.acronymgeek.com/SPECTRUM>. |
| MHRA | 'SPECTRUM', Acronym Geek, 12 February 2012, <http://www.acronymgeek.com/SPECTRUM> [accessed 12 February 2012] |
| Chicago | "SPECTRUM", http://www.acronymgeek.com/SPECTRUM (accessed February 12, 2012). |
| CBE/CSE | SPECTRUM [Internet]. Acronym Geek; 2012 Feb 12 [cited 2012 Feb 12]. Available from: http://www.acronymgeek.com/SPECTRUM. |
| Bluebook | SPECTRUM, http://www.acronymgeek.com/SPECTRUM (last visited February 12, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, SPECTRUM, http://www.acronymgeek.com/SPECTRUM (optional description here) (as of Feb. 12, 2012, 11:30). |
| AMA | SPECTRUM. Acronym Geek. February 12, 2012, 11:30. Available at: http://www.acronymgeek.com/SPECTRUM. Accessed February 12, 2012, 11:30. |