Citazione Stile APA (7a Edizione)

KLINGENBERG, W. (1978). A course in differential geometry. Springer- verlag.

Citazione stile Chigago Style (17a edizione)

KLINGENBERG, Wilhelm. A Course in Differential Geometry. New York: Springer- verlag, 1978.

Citatione MLA (9a ed.)

KLINGENBERG, Wilhelm. A Course in Differential Geometry. Springer- verlag, 1978.