APA (7th ed.) Citation

Barrett, O. W. (1928). The tropical crops. The Macmillan Company.

Chicago Style (17th ed.) Citation

Barrett, Otis Warren. The Tropical Crops. New York: The Macmillan Company, 1928.

MLA (9th ed.) Citation

Barrett, Otis Warren. The Tropical Crops. The Macmillan Company, 1928.

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