Young, Roxanne K. "Laboratory Values." AMA Manual of Style. 20090401. Oxford University Press. Date of access 21 May. 2013, <http://www.amamanualofstyle.com/view/10.1093/jama/9780195176339.001.0001/med-9780195176339-div1-124>.
Young, R. (20090401). Laboratory Values. AMA Manual of Style. Retrieved 21 May. 2013, from http://www.amamanualofstyle.com/view/10.1093/jama/9780195176339.001.0001/med-9780195176339-div1-124.
Young, Roxanne K. "Laboratory Values." AMA Manual of Style. 21 May. 2013. http://www.amamanualofstyle.com/view/10.1093/jama/9780195176339.001.0001/med-9780195176339-div1-124.
Young RK. Laboratory values. 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-div1-124. Accessed May 21, 2013.