Snead, D. L. (2012). John F. Kennedy: The new frontier president. Nova Science Publishers.
芝加哥风格引文Snead, David L. John F. Kennedy: The New Frontier President. Hauppauge, N.Y.: Nova Science Publishers, 2012.
MLA引文Snead, David L. John F. Kennedy: The New Frontier President. Nova Science Publishers, 2012.
警告：这些引文格式不一定是100％准确.