Barrett, O. W. (1928). The tropical crops. The Macmillan Company.
Chicago Style (17th ed.) CitationBarrett, Otis Warren. The Tropical Crops. New York: The Macmillan Company, 1928.
MLA引文Barrett, Otis Warren. The Tropical Crops. The Macmillan Company, 1928.
警告:這些引文格式不一定是100%准確.