Humphreys, G. (2002). Perception and action: What, how, when, and why - Introduction to Section I.
芝加哥风格引文Humphreys, G. Perception and Action: What, How, When, and Why - Introduction to Section I. 2002.
MLA引文Humphreys, G. Perception and Action: What, How, When, and Why - Introduction to Section I. 2002.
警告：这些引文格式不一定是100％准确.