Iverson, Cheryl, Stacy Christiansen, Annette Flanagin, Phil B. Fontanarosa, Richard M. Glass, Brenda Gregoline, Stephen J. Lurie, Harriet S. Meyer, Margaret A. Winker, and Roxanne K. Young. "Retractions." AMA Manual of Style: A Guide for Authors and Editors. New York, NY: Oxford University Press, 20070301. AMA Manual of Style. 20090401. Date Accessed 25 May. 2013 <http://www.amamanualofstyle.com/view/10.1093/jama/9780195176339.001.0001/med-9780195176339-div2-55>.
Iverson, C., Christiansen, S., Flanagin, A., Fontanarosa, P., Glass, R., Gregoline, B., Lurie, S., Meyer, H., Winker, M., & Young, R.(20070301). Retractions. In AMA Manual of Style: A Guide for Authors and Editors. New York, NY: Oxford University Press. Retrieved 25 May. 2013, from http://www.amamanualofstyle.com/view/10.1093/jama/9780195176339.001.0001/med-9780195176339-div2-55.
Iverson, Cheryl, Stacy Christiansen, Annette Flanagin, Phil B. Fontanarosa, Richard M. Glass, Brenda Gregoline, Stephen J. Lurie, Harriet S. Meyer, Margaret A. Winker, and Roxanne K. Young. "Retractions." In AMA Manual of Style: A Guide for Authors and Editors. New York, NY: Oxford University Press, 20070301. http://www.amamanualofstyle.com/view/10.1093/jama/9780195176339.001.0001/med-9780195176339-div2-55.
Iverson C, Christiansen S, Flanagin A, et al. Retractions. 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-div2-55. Accessed May 25, 2013.