Billington, D. P. (1966). The innovators: The engineering pioneers who made America modern. New York: Wiley.
Trích dẫn kiểu ChicagoBillington, David P. The Innovators: The Engineering Pioneers Who Made America Modern. New York: Wiley, 1966.
MLA引文Billington, David P. The Innovators: The Engineering Pioneers Who Made America Modern. New York: Wiley, 1966.
警告：这些引文格式不一定是100％准确.