Christiansen, Stacy. "Homonyms." AMA Manual of Style. 20090401. Oxford University Press. Date of access 19 Jun. 2013, <http://www.amamanualofstyle.com/view/10.1093/jama/9780195176339.001.0001/med-9780195176339-div2-271>.
Christiansen, S. (20090401). Homonyms. AMA Manual of Style. Retrieved 19 Jun. 2013, from http://www.amamanualofstyle.com/view/10.1093/jama/9780195176339.001.0001/med-9780195176339-div2-271.
Christiansen, Stacy. "Homonyms." AMA Manual of Style. 19 Jun. 2013. http://www.amamanualofstyle.com/view/10.1093/jama/9780195176339.001.0001/med-9780195176339-div2-271.
Christiansen S. Homonyms. 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-div2-271. Accessed June 19, 2013.