| APA | STEP. (2012, February 15). In Acronym Geek. Retrieved 12:54, February 15, 2012, from http://www.acronymgeek.com/STEP |
| MLA | "STEP." Acronym Geek. (2012). Acronym Geek. 15 Feb 2012 <http://www.acronymgeek.com/STEP>. |
| MHRA | 'STEP', Acronym Geek, 15 February 2012, <http://www.acronymgeek.com/STEP> [accessed 15 February 2012] |
| Chicago | "STEP", http://www.acronymgeek.com/STEP (accessed February 15, 2012). |
| CBE/CSE | STEP [Internet]. Acronym Geek; 2012 Feb 15 [cited 2012 Feb 15]. Available from: http://www.acronymgeek.com/STEP. |
| Bluebook | STEP, http://www.acronymgeek.com/STEP (last visited February 15, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, STEP, http://www.acronymgeek.com/STEP (optional description here) (as of Feb. 15, 2012, 12:54). |
| AMA | STEP. Acronym Geek. February 15, 2012, 12:54. Available at: http://www.acronymgeek.com/STEP. Accessed February 15, 2012, 12:54. |