| APA | FO-ESR. (2012, February 12). In Acronym Geek. Retrieved 13:35, February 12, 2012, from http://www.acronymgeek.com/FO-ESR |
| MLA | "FO-ESR." Acronym Geek. (2012). Acronym Geek. 12 Feb 2012 <http://www.acronymgeek.com/FO-ESR>. |
| MHRA | 'FO-ESR', Acronym Geek, 12 February 2012, <http://www.acronymgeek.com/FO-ESR> [accessed 12 February 2012] |
| Chicago | "FO-ESR", http://www.acronymgeek.com/FO-ESR (accessed February 12, 2012). |
| CBE/CSE | FO-ESR [Internet]. Acronym Geek; 2012 Feb 12 [cited 2012 Feb 12]. Available from: http://www.acronymgeek.com/FO-ESR. |
| Bluebook | FO-ESR, http://www.acronymgeek.com/FO-ESR (last visited February 12, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, FO-ESR, http://www.acronymgeek.com/FO-ESR (optional description here) (as of Feb. 12, 2012, 13:35). |
| AMA | FO-ESR. Acronym Geek. February 12, 2012, 13:35. Available at: http://www.acronymgeek.com/FO-ESR. Accessed February 12, 2012, 13:35. |