APA (7 ম সংস্করণ) উদ্ধৃতি

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

শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতি

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

M.L.A (8 ম সংস্করণ) উদ্ধৃতি

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