Aiken, C. Twentieth century american poetry.
Chicago Style (17th ed.) CitationAiken, Conrad. Twentieth Century American Poetry.
MLA引文Aiken, Conrad. Twentieth Century American Poetry.
警告：這些引文格式不一定是100％准確.
APA引文
Aiken, C. Twentieth century american poetry.
Chicago Style (17th ed.) CitationAiken, Conrad. Twentieth Century American Poetry.
MLA引文Aiken, Conrad. Twentieth Century American Poetry.