Παραπομπή σε μορφή APA (7η εκδ.)

Schmid, R. v., & Zimmermann, G. A. (1883). The theories of Darwin and their relation to philosophy, religion, and morality. Jansen, McClurg & company.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Schmid, Rudolf von, και Gustav Adolf Zimmermann. The Theories of Darwin and Their Relation to Philosophy, Religion, and Morality. Chicago: Jansen, McClurg & company, 1883.

Παραπομπή σε μορφή MLA (8th εκδ.)

Schmid, Rudolf von, και Gustav Adolf Zimmermann. The Theories of Darwin and Their Relation to Philosophy, Religion, and Morality. Jansen, McClurg & company, 1883.