Cita APA (7a ed.)
Hofstadter, D. R. Metamagical Themas: Questing for the Essence of Mind and Pattern. Basic Books.
Cita estilo Chicago (17a ed.)
Hofstadter, Douglas R. Metamagical Themas: Questing for the Essence of Mind and Pattern. Nueva York, EUA: Basic Books.
Cita MLA (9a ed.)
Hofstadter, Douglas R. Metamagical Themas: Questing for the Essence of Mind and Pattern. Basic Books.
Precaución: Estas citas no son 100% exactas.