KERROD , R. ALL ABOUT VOLCANOES: WORLD GREAT SCIENTIST SERIES.
芝加哥风格引文KERROD , ROBBIN. ALL ABOUT VOLCANOES: WORLD GREAT SCIENTIST SERIES.
MLA引文KERROD , ROBBIN. ALL ABOUT VOLCANOES: WORLD GREAT SCIENTIST SERIES.
警告：这些引文格式不一定是100％准确.
APA引文