APA引文
Empson, W., & Haffenden, J. (2006). Selected letters of William Empson. Oxford University Press.
Chicago Style (17th ed.) Citation
Empson, William, and John Haffenden. Selected Letters of William Empson. Oxford ; New York: Oxford University Press, 2006.
MLA引文
Empson, William, and John Haffenden. Selected Letters of William Empson. Oxford University Press, 2006.
警告：這些引文格式不一定是100％准確.