Helson, H., & Bevan, W. (1967). Contemporary approaches to psychology. Van Nostrand.
芝加哥风格引文Helson, Harry, 与 William Bevan. Contemporary Approaches to Psychology. Princeton, N.J: Van Nostrand, 1967.
MLA引文Helson, Harry, 与 William Bevan. Contemporary Approaches to Psychology. Van Nostrand, 1967.
警告：这些引文格式不一定是100％准确.