Winker, Margaret A. "Additional Readings and General References." AMA Manual of Style. 20090401. Oxford University Press. Date of access 20 Jun. 2013, <http://www.amamanualofstyle.com/view/10.1093/jama/9780195176339.001.0001/med-9780195176339-div2-415>.
Winker, M. (20090401). Additional Readings and General References. AMA Manual of Style. Retrieved 20 Jun. 2013, from http://www.amamanualofstyle.com/view/10.1093/jama/9780195176339.001.0001/med-9780195176339-div2-415.
Winker, Margaret A. "Additional Readings and General References." AMA Manual of Style. 20 Jun. 2013. http://www.amamanualofstyle.com/view/10.1093/jama/9780195176339.001.0001/med-9780195176339-div2-415.
Winker MA. Additional readings and general references. In: AMA Manual of Style: A Guide for Authors and Editors. New York, NY: Oxford University Press; 2007. http://www.amamanualofstyle.com/view/10.1093/jama/9780195176339.001.0001/med-9780195176339-div2-415. Accessed June 20, 2013.