Παραπομπή APA

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

Παραπομπή Chicago Style

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

Παραπομπή MLA

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