Young, Roxanne K. "Days of the Week, Months, Eras." AMA Manual of Style. 20090401. Oxford University Press. Date of access 25 May. 2013, <http://www.amamanualofstyle.com/view/10.1093/jama/9780195176339.001.0001/med-9780195176339-div1-144>.
Young, R. (20090401). Days of the Week, Months, Eras. AMA Manual of Style. Retrieved 25 May. 2013, from http://www.amamanualofstyle.com/view/10.1093/jama/9780195176339.001.0001/med-9780195176339-div1-144.
Young, Roxanne K. "Days of the Week, Months, Eras." AMA Manual of Style. 25 May. 2013. http://www.amamanualofstyle.com/view/10.1093/jama/9780195176339.001.0001/med-9780195176339-div1-144.
Young RK. Days of the week, months, eras. 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-div1-144. Accessed May 25, 2013.