Douglas, I. (2015). Deep time. Harper Voyager.
Chicago Style (17th ed.) CitationDouglas, Ian. Deep Time. New York: Harper Voyager, 2015.
MLA引文Douglas, Ian. Deep Time. Harper Voyager, 2015.
警告：這些引文格式不一定是100％准確.
APA引文
Douglas, I. (2015). Deep time. Harper Voyager.
Chicago Style (17th ed.) CitationDouglas, Ian. Deep Time. New York: Harper Voyager, 2015.
MLA引文Douglas, Ian. Deep Time. Harper Voyager, 2015.