Cita APA (7th ed.)

Bär, C. (2010). Elementary Differential Geometry. Cambridge University Press.

Cita Chicago (17th ed.)

Bär, Christian. Elementary Differential Geometry. Cambridge, United Kingdom: Cambridge University Press, 2010.

Cita MLA (9th ed.)

Bär, Christian. Elementary Differential Geometry. Cambridge University Press, 2010.