McGregor, Bruce, and Harriet S. Meyer. "Capitalization of Main Entries." AMA Manual of Style. 20090401. Oxford University Press. Date of access 20 May. 2013, <http://www.amamanualofstyle.com/view/10.1093/jama/9780195176339.001.0001/med-9780195176339-div2-361>.
McGregor, B., & Meyer, H. (20090401). Capitalization of Main Entries. AMA Manual of Style. Retrieved 20 May. 2013, from http://www.amamanualofstyle.com/view/10.1093/jama/9780195176339.001.0001/med-9780195176339-div2-361.
McGregor, Bruce, and Harriet S. Meyer. "Capitalization of Main Entries." AMA Manual of Style. 20 May. 2013. http://www.amamanualofstyle.com/view/10.1093/jama/9780195176339.001.0001/med-9780195176339-div2-361.
McGregor B, Meyer HS. Capitalization of main entries. In: AMA Manual of Style Committee. AMA Manual of Style: A Guide for Authors and Editors. 10th edition ed. New York, NY: Oxford University Press; 2007:429. http://www.amamanualofstyle.com/view/10.1093/jama/9780195176339.001.0001/med-9780195176339-div2-361. Accessed May 20, 2013.