Usher , A. P. (1929). A history of mechanical inventions. McGraw-Hill.
Chicago Style (17th ed.) CitationUsher , Abbott Payson. A History of Mechanical Inventions. New York: McGraw-Hill, 1929.
MLA引文Usher , Abbott Payson. A History of Mechanical Inventions. McGraw-Hill, 1929.
警告:這些引文格式不一定是100%准確.