Cita APA (7a ed.)

Hilbert, D., & Cohn-Vossen, S. (1952). Geometry and the imagination. Chelsea.

Cita Chicago Style (17a ed.)

Hilbert, David, y S. Cohn-Vossen. Geometry and the Imagination. New York: Chelsea, 1952.

Cita MLA (9a ed.)

Hilbert, David, y S. Cohn-Vossen. Geometry and the Imagination. Chelsea, 1952.