Gregoline, Brenda. "Titles and Degrees of Persons." AMA Manual of Style. 20090401. Oxford University Press. Date of access 19 May. 2013, <http://www.amamanualofstyle.com/view/10.1093/jama/9780195176339.001.0001/med-9780195176339-div2-346>.
Gregoline, B. (20090401). Titles and Degrees of Persons. AMA Manual of Style. Retrieved 19 May. 2013, from http://www.amamanualofstyle.com/view/10.1093/jama/9780195176339.001.0001/med-9780195176339-div2-346.
Gregoline, Brenda. "Titles and Degrees of Persons." AMA Manual of Style. 19 May. 2013. http://www.amamanualofstyle.com/view/10.1093/jama/9780195176339.001.0001/med-9780195176339-div2-346.
Gregoline B. Titles and degrees of persons. 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; 2007:378. http://www.amamanualofstyle.com/view/10.1093/jama/9780195176339.001.0001/med-9780195176339-div2-346. Accessed May 19, 2013.