Gibson, C. R. (1913). 20th century inventions. Collins' Clear Type Press.
芝加哥风格引文Gibson, Charles R. 20th Century Inventions. London: Collins' Clear Type Press, 1913.
MLA引文Gibson, Charles R. 20th Century Inventions. Collins' Clear Type Press, 1913.
警告：这些引文格式不一定是100％准确.