Van Loon, H. W. (1932). Van Loon's geography: The study of the world we live in. Simon and Schuster.
芝加哥风格引文Van Loon, Hendrick Willem. Van Loon's Geography: The Study of the World We Live in. New York: Simon and Schuster, 1932.
MLA引文Van Loon, Hendrick Willem. Van Loon's Geography: The Study of the World We Live in. Simon and Schuster, 1932.
警告：这些引文格式不一定是100％准确.