توثيق جمعية علم النفس الأمريكية APA (الطبعة السابعة)

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

توثيق أسلوب شيكاغو (الطبعة السابعة عشر)

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

توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)

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