Sampson, H., & Tiffany, L. H. (1940). Textbook of Botany. Harper and Brothers Publishers.
Cita Chicago Style (17a ed.)Sampson, H., y L. H. Tiffany. Textbook of Botany. New York: Harper and Brothers Publishers, 1940.
Cita MLA (9a ed.)Sampson, H., y L. H. Tiffany. Textbook of Botany. Harper and Brothers Publishers, 1940.
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