Cita APA (7th ed.)
Goethe, J. W. v., & Miller, G. L. (2009). The metamorphosis of plants. MIT Press.
Cita Chicago (17th ed.)
Goethe, Johann Wolfgang von, i Gordon L. Miller. The Metamorphosis of Plants. Cambridge, MA: MIT Press, 2009.
Cita MLA (9th ed.)
Goethe, Johann Wolfgang von, i Gordon L. Miller. The Metamorphosis of Plants. MIT Press, 2009.
Atenció: Aquestes cites poden no estar 100% correctes.