Παραπομπή σε μορφή APA (7η εκδ.)

Barkhoff, J. Perfecting Nature - Surpassing God: The Dream of Creating Artificial Humans around 1800 / Jürgen Barkhoff. Science, technology and the German cultural imagination.(2005).

Παραπομπή σε μορφή Chicago (17η εκδ.)

Barkhoff, Jürgen. "Perfecting Nature - Surpassing God: The Dream of Creating Artificial Humans Around 1800 / Jürgen Barkhoff." Science, Technology and the German Cultural Imagination.(2005) .

Παραπομπή σε μορφή MLA (8th εκδ.)

Barkhoff, Jürgen. "Perfecting Nature - Surpassing God: The Dream of Creating Artificial Humans Around 1800 / Jürgen Barkhoff." Science, Technology and the German Cultural Imagination.(2005), .