Elder, M. (1971). The alien earth. Hale.
Chicago Style (17th ed.) CitationElder, Michael. The Alien Earth. London: Hale, 1971.
MLA引文Elder, Michael. The Alien Earth. Hale, 1971.
警告：這些引文格式不一定是100％准確.
APA引文
Elder, M. (1971). The alien earth. Hale.
Chicago Style (17th ed.) CitationElder, Michael. The Alien Earth. London: Hale, 1971.
MLA引文Elder, Michael. The Alien Earth. Hale, 1971.