Cita APA (7a ed.)

Gardner, M. (2003). Are universes thicker than blackberries?: Discourses on Gödel, magic hexagrams, Little Red Riding Hood, and other mathematical and pseudoscientific topics. W.W. Norton.

Cita Chicago Style (17a ed.)

Gardner, Martin. Are Universes Thicker than Blackberries?: Discourses on Gödel, Magic Hexagrams, Little Red Riding Hood, and Other Mathematical and Pseudoscientific Topics. New York: W.W. Norton, 2003.

Cita MLA (9a ed.)

Gardner, Martin. Are Universes Thicker than Blackberries?: Discourses on Gödel, Magic Hexagrams, Little Red Riding Hood, and Other Mathematical and Pseudoscientific Topics. W.W. Norton, 2003.