Emerson, R. W. (2001). Nature: Addresses, and lectures. Virginia Tech.
芝加哥风格引文Emerson, Ralph Waldo. Nature: Addresses, and Lectures. [Blacksburg, VA]: Virginia Tech, 2001.
MLA引文Emerson, Ralph Waldo. Nature: Addresses, and Lectures. Virginia Tech, 2001.
警告：这些引文格式不一定是100％准确.