APA引文

Roger Penrose. Shadows of the Mind: Search for the Missing Science of Consciousness. London.

Chicago Edition Citation

Roger Penrose. Shadows of the Mind: Search for the Missing Science of Consciousness. London.

MLA引文

Roger Penrose. Shadows of the Mind: Search for the Missing Science of Consciousness. London.

警告：這些引文格式不一定是100％准確.