Cita APA

Hilbert, D., & Cohn-Vossen, S. (1952). Geometry an the imagination. New York: Chelsea Publishing.

Citación estilo Chicago

Hilbert, D., y S. Cohn-Vossen. Geometry an the Imagination. New York: Chelsea Publishing, 1952.

Cita MLA

Hilbert, D., y S. Cohn-Vossen. Geometry an the Imagination. New York: Chelsea Publishing, 1952.