Dyfyniad APA
Kelly, A. (1981). The descent of Darwin: The popularization of Darwinism in Germany, 1860-1914. University of North Carolina Press.
Dyfyniad Arddull Chicago
Kelly, Alfred. The Descent of Darwin: The Popularization of Darwinism in Germany, 1860-1914. Chapel Hill: University of North Carolina Press, 1981.
Dyfyniad MLA
Kelly, Alfred. The Descent of Darwin: The Popularization of Darwinism in Germany, 1860-1914. University of North Carolina Press, 1981.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.