| APA | OLIS. (2012, February 16). In Acronym Geek. Retrieved 14:56, February 16, 2012, from http://www.acronymgeek.com/OLIS |
| MLA | "OLIS." Acronym Geek. (2012). Acronym Geek. 16 Feb 2012 <http://www.acronymgeek.com/OLIS>. |
| MHRA | 'OLIS', Acronym Geek, 16 February 2012, <http://www.acronymgeek.com/OLIS> [accessed 16 February 2012] |
| Chicago | "OLIS", http://www.acronymgeek.com/OLIS (accessed February 16, 2012). |
| CBE/CSE | OLIS [Internet]. Acronym Geek; 2012 Feb 16 [cited 2012 Feb 16]. Available from: http://www.acronymgeek.com/OLIS. |
| Bluebook | OLIS, http://www.acronymgeek.com/OLIS (last visited February 16, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, OLIS, http://www.acronymgeek.com/OLIS (optional description here) (as of Feb. 16, 2012, 14:56). |
| AMA | OLIS. Acronym Geek. February 16, 2012, 14:56. Available at: http://www.acronymgeek.com/OLIS. Accessed February 16, 2012, 14:56. |