Cita APA (7th ed.)

Hofstadter, D. R., & Sander, E. (2013). Surfaces and essences: Analogy as the fuel and fire of thinking. Basic Books, a member of the Perseus Books Group.

Cita Chicago (17th ed.)

Hofstadter, Douglas R., i Emmanuel Sander. Surfaces and Essences: Analogy as the Fuel and Fire of Thinking. New York: Basic Books, a member of the Perseus Books Group, 2013.

Cita MLA (9th ed.)

Hofstadter, Douglas R., i Emmanuel Sander. Surfaces and Essences: Analogy as the Fuel and Fire of Thinking. Basic Books, a member of the Perseus Books Group, 2013.