Ostrander, G. M. (1970). American civilization in the first machine age: 1890-1940. Harper & Row.
芝加哥风格引文Ostrander, Gilman Marston. American Civilization in the First Machine Age: 1890-1940. New York: Harper & Row, 1970.
MLA引文Ostrander, Gilman Marston. American Civilization in the First Machine Age: 1890-1940. Harper & Row, 1970.
警告：这些引文格式不一定是100％准确.