Achenbaum, W. A. (2013). Robert N. Butler, MD: Visionary of healthy aging. Columbia University Press.
芝加哥风格引文Achenbaum, W. Andrew. Robert N. Butler, MD: Visionary of Healthy Aging. New York: Columbia University Press, 2013.
MLA引文Achenbaum, W. Andrew. Robert N. Butler, MD: Visionary of Healthy Aging. Columbia University Press, 2013.
警告：这些引文格式不一定是100％准确.