| APA | Environmental Monitoring Services (EMS). (2012, February 14). In Acronym Geek. Retrieved 01:45, February 14, 2012, from http://www.acronymgeek.com/EMS/Environmental_Monitoring_Services |
| MLA | "Environmental Monitoring Services (EMS)." Acronym Geek. (2012). Acronym Geek. 14 Feb 2012 <http://www.acronymgeek.com/EMS/Environmental_Monitoring_Services>. |
| MHRA | 'Environmental Monitoring Services (EMS)', Acronym Geek, 14 February 2012, <http://www.acronymgeek.com/EMS/Environmental_Monitoring_Services> [accessed 14 February 2012] |
| Chicago | "Environmental Monitoring Services (EMS)", http://www.acronymgeek.com/EMS/Environmental_Monitoring_Services (accessed February 14, 2012). |
| CBE/CSE | Environmental Monitoring Services (EMS) [Internet]. Acronym Geek; 2012 Feb 14 [cited 2012 Feb 14]. Available from: http://www.acronymgeek.com/EMS/Environmental_Monitoring_Services. |
| Bluebook | Environmental Monitoring Services (EMS), http://www.acronymgeek.com/EMS/Environmental_Monitoring_Services (last visited February 14, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, Environmental Monitoring Services (EMS), http://www.acronymgeek.com/EMS/Environmental_Monitoring_Services (optional description here) (as of Feb. 14, 2012, 01:45). |
| AMA | Environmental Monitoring Services (EMS). Acronym Geek. February 14, 2012, 01:45. Available at: http://www.acronymgeek.com/EMS/Environmental_Monitoring_Services. Accessed February 14, 2012, 01:45. |