APA引文

PEN America. (2009). The PEN/O. Henry prize stories. Anchor Books.

Chicago Style (17th ed.) Citation

PEN America. The PEN/O. Henry Prize Stories. New York: Anchor Books, 2009.

MLA引文

PEN America. The PEN/O. Henry Prize Stories. Anchor Books, 2009.

警告：這些引文格式不一定是100％准確.