| APA | Northridge Diagnostic Laboratory (NDL). (2012, February 14). In Acronym Geek. Retrieved 01:41, February 14, 2012, from http://www.acronymgeek.com/NDL/Northridge_Diagnostic_Laboratory |
| MLA | "Northridge Diagnostic Laboratory (NDL)." Acronym Geek. (2012). Acronym Geek. 14 Feb 2012 <http://www.acronymgeek.com/NDL/Northridge_Diagnostic_Laboratory>. |
| MHRA | 'Northridge Diagnostic Laboratory (NDL)', Acronym Geek, 14 February 2012, <http://www.acronymgeek.com/NDL/Northridge_Diagnostic_Laboratory> [accessed 14 February 2012] |
| Chicago | "Northridge Diagnostic Laboratory (NDL)", http://www.acronymgeek.com/NDL/Northridge_Diagnostic_Laboratory (accessed February 14, 2012). |
| CBE/CSE | Northridge Diagnostic Laboratory (NDL) [Internet]. Acronym Geek; 2012 Feb 14 [cited 2012 Feb 14]. Available from: http://www.acronymgeek.com/NDL/Northridge_Diagnostic_Laboratory. |
| Bluebook | Northridge Diagnostic Laboratory (NDL), http://www.acronymgeek.com/NDL/Northridge_Diagnostic_Laboratory (last visited February 14, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, Northridge Diagnostic Laboratory (NDL), http://www.acronymgeek.com/NDL/Northridge_Diagnostic_Laboratory (optional description here) (as of Feb. 14, 2012, 01:41). |
| AMA | Northridge Diagnostic Laboratory (NDL). Acronym Geek. February 14, 2012, 01:41. Available at: http://www.acronymgeek.com/NDL/Northridge_Diagnostic_Laboratory. Accessed February 14, 2012, 01:41. |