Cita APA

Beck, C. B. (1976). Origin and early evolution of angiosperms. New York: Columbia University Press.

Citación estilo Chicago

Beck, Charles B. Origin and Early Evolution of Angiosperms. New York: Columbia University Press, 1976.

Cita MLA

Beck, Charles B. Origin and Early Evolution of Angiosperms. New York: Columbia University Press, 1976.