Schmid, R. v., & Zimmermann, G. A. (1883). The theories of Darwin and their relation to philosophy, religion, and morality. Jansen, McClurg & company.
Chicago-referens (17:e uppl.)Schmid, Rudolf von, och Gustav Adolf Zimmermann. The Theories of Darwin and Their Relation to Philosophy, Religion, and Morality. Chicago: Jansen, McClurg & company, 1883.
MLA-referens (8:e uppl.)Schmid, Rudolf von, och Gustav Adolf Zimmermann. The Theories of Darwin and Their Relation to Philosophy, Religion, and Morality. Jansen, McClurg & company, 1883.
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