एपीए उद्धरण

Hofstadter, D. R. (1986). Metamagical themas: Questing for the essence of mind and pattern. Bantam Books.

शिकागो स्टाइल उद्धरण

Hofstadter, Douglas R. Metamagical Themas: Questing for the Essence of Mind and Pattern. Toronto: Bantam Books, 1986.

एमएलए उद्धरण

Hofstadter, Douglas R. Metamagical Themas: Questing for the Essence of Mind and Pattern. Bantam Books, 1986.