Cita APA (7th ed.)

THORPE, J. A. (1979). Elementary topics in differential geometry. Springer-verlag.

Cita Chicago (17th ed.)

THORPE, John A. Elementary Topics in Differential Geometry. New york: Springer-verlag, 1979.

Cita MLA (9th ed.)

THORPE, John A. Elementary Topics in Differential Geometry. Springer-verlag, 1979.