APA引文
Jansen, J. H. F. (1979). Late quaternary History of the northern North Sea.
Chicago Style (17th ed.) Citation
Jansen, Johan Hendrik Frederik. Late Quaternary History of the Northern North Sea. Groningen, 1979.
MLA引文
Jansen, Johan Hendrik Frederik. Late Quaternary History of the Northern North Sea. 1979.
警告：這些引文格式不一定是100％准確.