Lurie, Stephen J., and Margaret A. Winker. "Acknowledgment." AMA Manual of Style. 20090401. Oxford University Press. Date of access 22 May. 2013, <http://www.amamanualofstyle.com/view/10.1093/jama/9780195176339.001.0001/med-9780195176339-div1-203>.
Lurie, S., & Winker, M. (20090401). Acknowledgment. AMA Manual of Style. Retrieved 22 May. 2013, from http://www.amamanualofstyle.com/view/10.1093/jama/9780195176339.001.0001/med-9780195176339-div1-203.
Lurie, Stephen J., and Margaret A. Winker. "Acknowledgment." AMA Manual of Style. 22 May. 2013. http://www.amamanualofstyle.com/view/10.1093/jama/9780195176339.001.0001/med-9780195176339-div1-203.
Lurie SJ, Winker MA. Acknowledgment. In: AMA Manual of Style Committee. AMA Manual of Style: A Guide for Authors and Editors. 10th ed. New York, NY: Oxford University Press; 2007. http://www.amamanualofstyle.com/view/10.1093/jama/9780195176339.001.0001/med-9780195176339-div1-203. Accessed May 22, 2013.