Asimov, I. (1979). Life and time. New York: Avon Books.
Trích dẫn kiểu ChicagoAsimov, Isaac. Life and Time. New York: Avon Books, 1979.
MLA引文Asimov, Isaac. Life and Time. New York: Avon Books, 1979.
警告：这些引文格式不一定是100％准确.
APA引文