Hepner, H. Psychology applied to life.
芝加哥风格引文Hepner, H. Psychology Applied to Life.
MLA引文Hepner, H. Psychology Applied to Life.
警告：这些引文格式不一定是100％准确.
APA引文
Hepner, H. Psychology applied to life.
芝加哥风格引文Hepner, H. Psychology Applied to Life.
MLA引文Hepner, H. Psychology Applied to Life.