Cita APA

Hilbert, D., Bernays, P., & Unger, L. (1971). Foundations of geometry Open Court.

Citación estilo Chicago

Hilbert, David, Paul Bernays, and Leo Unger. Foundations of Geometry. 2nd ed. La Salle, Ill.: Open Court, 1971.

Cita MLA

Hilbert, David, Paul Bernays, and Leo Unger. Foundations of Geometry. 2nd ed. La Salle, Ill.: Open Court, 1971.